Home / 18,539.91-25,578.95-10,472.45

Finding the Fourth Proportional to 18,539.91, 25,578.95 and 10,472.45

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Solution

The fourth proportional to 18,539.91, 25,578.95 and 10,472.45 is: 14,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.91 : 25,578.95 = 10,472.45 : x
  2. Step 2: Convert to fraction form
    18,539.91/25,578.95 = 10,472.45/x
  3. Step 3: Cross multiply
    18,539.91x = 25,578.95 × 10,472.45
  4. Step 4: Simplify right side
    18,539.91x = 267,874,094.67
  5. Step 5: Solve for x
    x = 267,874,094.67/18,539.91
  6. Step 6: Final answer
    x = 14,448.51

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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.