Home / 18,500.53-25,529.43-10,434.49

Finding the Fourth Proportional to 18,500.53, 25,529.43 and 10,434.49

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Solution

The fourth proportional to 18,500.53, 25,529.43 and 10,434.49 is: 14,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.53 : 25,529.43 = 10,434.49 : x
  2. Step 2: Convert to fraction form
    18,500.53/25,529.43 = 10,434.49/x
  3. Step 3: Cross multiply
    18,500.53x = 25,529.43 × 10,434.49
  4. Step 4: Simplify right side
    18,500.53x = 266,386,582.04
  5. Step 5: Solve for x
    x = 266,386,582.04/18,500.53
  6. Step 6: Final answer
    x = 14,398.86

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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.