Home / 15,763.40-23,645.10-6,999.20

Finding the Fourth Proportional to 15,763.40, 23,645.10 and 6,999.20

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Solution

The fourth proportional to 15,763.40, 23,645.10 and 6,999.20 is: 10,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763.40 : 23,645.10 = 6,999.20 : x
  2. Step 2: Convert to fraction form
    15,763.40/23,645.10 = 6,999.20/x
  3. Step 3: Cross multiply
    15,763.40x = 23,645.10 × 6,999.20
  4. Step 4: Simplify right side
    15,763.40x = 165,496,783.92
  5. Step 5: Solve for x
    x = 165,496,783.92/15,763.40
  6. Step 6: Final answer
    x = 10,498.80

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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.