Home / 15,323.40-22,985.10-10,657.80

Finding the Fourth Proportional to 15,323.40, 22,985.10 and 10,657.80

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Solution

The fourth proportional to 15,323.40, 22,985.10 and 10,657.80 is: 15,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,323.40 : 22,985.10 = 10,657.80 : x
  2. Step 2: Convert to fraction form
    15,323.40/22,985.10 = 10,657.80/x
  3. Step 3: Cross multiply
    15,323.40x = 22,985.10 × 10,657.80
  4. Step 4: Simplify right side
    15,323.40x = 244,970,598.78
  5. Step 5: Solve for x
    x = 244,970,598.78/15,323.40
  6. Step 6: Final answer
    x = 15,986.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.