Home / 15,331.14-21,151.50-10,029.06

Finding the Fourth Proportional to 15,331.14, 21,151.50 and 10,029.06

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Solution

The fourth proportional to 15,331.14, 21,151.50 and 10,029.06 is: 13,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.14 : 21,151.50 = 10,029.06 : x
  2. Step 2: Convert to fraction form
    15,331.14/21,151.50 = 10,029.06/x
  3. Step 3: Cross multiply
    15,331.14x = 21,151.50 × 10,029.06
  4. Step 4: Simplify right side
    15,331.14x = 212,129,662.59
  5. Step 5: Solve for x
    x = 212,129,662.59/15,331.14
  6. Step 6: Final answer
    x = 13,836.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.