Home / 10,531.91-15,807.59-5,341.43

Finding the Fourth Proportional to 10,531.91, 15,807.59 and 5,341.43

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Solution

The fourth proportional to 10,531.91, 15,807.59 and 5,341.43 is: 8,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.91 : 15,807.59 = 5,341.43 : x
  2. Step 2: Convert to fraction form
    10,531.91/15,807.59 = 5,341.43/x
  3. Step 3: Cross multiply
    10,531.91x = 15,807.59 × 5,341.43
  4. Step 4: Simplify right side
    10,531.91x = 84,435,108.75
  5. Step 5: Solve for x
    x = 84,435,108.75/10,531.91
  6. Step 6: Final answer
    x = 8,017.07

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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.