Home / 19,555.38-29,335.50-6,404.22

Finding the Fourth Proportional to 19,555.38, 29,335.50 and 6,404.22

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Solution

The fourth proportional to 19,555.38, 29,335.50 and 6,404.22 is: 9,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.38 : 29,335.50 = 6,404.22 : x
  2. Step 2: Convert to fraction form
    19,555.38/29,335.50 = 6,404.22/x
  3. Step 3: Cross multiply
    19,555.38x = 29,335.50 × 6,404.22
  4. Step 4: Simplify right side
    19,555.38x = 187,870,995.81
  5. Step 5: Solve for x
    x = 187,870,995.81/19,555.38
  6. Step 6: Final answer
    x = 9,607.13

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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.