Home / 13,057.38-19,588.23-6,483.78

Finding the Fourth Proportional to 13,057.38, 19,588.23 and 6,483.78

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Solution

The fourth proportional to 13,057.38, 19,588.23 and 6,483.78 is: 9,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.38 : 19,588.23 = 6,483.78 : x
  2. Step 2: Convert to fraction form
    13,057.38/19,588.23 = 6,483.78/x
  3. Step 3: Cross multiply
    13,057.38x = 19,588.23 × 6,483.78
  4. Step 4: Simplify right side
    13,057.38x = 127,005,773.91
  5. Step 5: Solve for x
    x = 127,005,773.91/13,057.38
  6. Step 6: Final answer
    x = 9,726.74

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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.