Home / 9,006.30-13,509.45-5,118.30

Finding the Fourth Proportional to 9,006.30, 13,509.45 and 5,118.30

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Solution

The fourth proportional to 9,006.30, 13,509.45 and 5,118.30 is: 7,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.30 : 13,509.45 = 5,118.30 : x
  2. Step 2: Convert to fraction form
    9,006.30/13,509.45 = 5,118.30/x
  3. Step 3: Cross multiply
    9,006.30x = 13,509.45 × 5,118.30
  4. Step 4: Simplify right side
    9,006.30x = 69,145,417.94
  5. Step 5: Solve for x
    x = 69,145,417.94/9,006.30
  6. Step 6: Final answer
    x = 7,677.45

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Similar ratio
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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.