Home / 18,490.91-25,517.50-10,533.47

Finding the Fourth Proportional to 18,490.91, 25,517.50 and 10,533.47

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Solution

The fourth proportional to 18,490.91, 25,517.50 and 10,533.47 is: 14,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.91 : 25,517.50 = 10,533.47 : x
  2. Step 2: Convert to fraction form
    18,490.91/25,517.50 = 10,533.47/x
  3. Step 3: Cross multiply
    18,490.91x = 25,517.50 × 10,533.47
  4. Step 4: Simplify right side
    18,490.91x = 268,787,666.80
  5. Step 5: Solve for x
    x = 268,787,666.80/18,490.91
  6. Step 6: Final answer
    x = 14,536.21

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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.