Home / 15,899.04-21,948.57-9,934.02

Finding the Fourth Proportional to 15,899.04, 21,948.57 and 9,934.02

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Solution

The fourth proportional to 15,899.04, 21,948.57 and 9,934.02 is: 13,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.04 : 21,948.57 = 9,934.02 : x
  2. Step 2: Convert to fraction form
    15,899.04/21,948.57 = 9,934.02/x
  3. Step 3: Cross multiply
    15,899.04x = 21,948.57 × 9,934.02
  4. Step 4: Simplify right side
    15,899.04x = 218,037,533.35
  5. Step 5: Solve for x
    x = 218,037,533.35/15,899.04
  6. Step 6: Final answer
    x = 13,713.88

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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.