Home / 15,980.40-23,970.60-5,593.20

Finding the Fourth Proportional to 15,980.40, 23,970.60 and 5,593.20

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Solution

The fourth proportional to 15,980.40, 23,970.60 and 5,593.20 is: 8,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.40 : 23,970.60 = 5,593.20 : x
  2. Step 2: Convert to fraction form
    15,980.40/23,970.60 = 5,593.20/x
  3. Step 3: Cross multiply
    15,980.40x = 23,970.60 × 5,593.20
  4. Step 4: Simplify right side
    15,980.40x = 134,072,359.92
  5. Step 5: Solve for x
    x = 134,072,359.92/15,980.40
  6. Step 6: Final answer
    x = 8,389.80

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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.