Home / 9,569.50-13,207.15-5,377.75

Finding the Fourth Proportional to 9,569.50, 13,207.15 and 5,377.75

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Solution

The fourth proportional to 9,569.50, 13,207.15 and 5,377.75 is: 7,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,569.50 : 13,207.15 = 5,377.75 : x
  2. Step 2: Convert to fraction form
    9,569.50/13,207.15 = 5,377.75/x
  3. Step 3: Cross multiply
    9,569.50x = 13,207.15 × 5,377.75
  4. Step 4: Simplify right side
    9,569.50x = 71,024,750.91
  5. Step 5: Solve for x
    x = 71,024,750.91/9,569.50
  6. Step 6: Final answer
    x = 7,421.99

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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.