Home / 24,869.36-34,318.68-13,690.64

Finding the Fourth Proportional to 24,869.36, 34,318.68 and 13,690.64

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Solution

The fourth proportional to 24,869.36, 34,318.68 and 13,690.64 is: 18,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,869.36 : 34,318.68 = 13,690.64 : x
  2. Step 2: Convert to fraction form
    24,869.36/34,318.68 = 13,690.64/x
  3. Step 3: Cross multiply
    24,869.36x = 34,318.68 × 13,690.64
  4. Step 4: Simplify right side
    24,869.36x = 469,844,693.16
  5. Step 5: Solve for x
    x = 469,844,693.16/24,869.36
  6. Step 6: Final answer
    x = 18,892.51

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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.