Home / 25,490.12-38,235.17-9,911.39

Finding the Fourth Proportional to 25,490.12, 38,235.17 and 9,911.39

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Solution

The fourth proportional to 25,490.12, 38,235.17 and 9,911.39 is: 14,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,490.12 : 38,235.17 = 9,911.39 : x
  2. Step 2: Convert to fraction form
    25,490.12/38,235.17 = 9,911.39/x
  3. Step 3: Cross multiply
    25,490.12x = 38,235.17 × 9,911.39
  4. Step 4: Simplify right side
    25,490.12x = 378,963,515.19
  5. Step 5: Solve for x
    x = 378,963,515.19/25,490.12
  6. Step 6: Final answer
    x = 14,867.08

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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.