Home / 10,729.04-16,057.56-10,320.08

Finding the Fourth Proportional to 10,729.04, 16,057.56 and 10,320.08

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Solution

The fourth proportional to 10,729.04, 16,057.56 and 10,320.08 is: 15,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.04 : 16,057.56 = 10,320.08 : x
  2. Step 2: Convert to fraction form
    10,729.04/16,057.56 = 10,320.08/x
  3. Step 3: Cross multiply
    10,729.04x = 16,057.56 × 10,320.08
  4. Step 4: Simplify right side
    10,729.04x = 165,715,303.80
  5. Step 5: Solve for x
    x = 165,715,303.80/10,729.04
  6. Step 6: Final answer
    x = 15,445.49

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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.