Home / 8,925.12-13,387.68-6,618.24

Finding the Fourth Proportional to 8,925.12, 13,387.68 and 6,618.24

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Solution

The fourth proportional to 8,925.12, 13,387.68 and 6,618.24 is: 9,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.12 : 13,387.68 = 6,618.24 : x
  2. Step 2: Convert to fraction form
    8,925.12/13,387.68 = 6,618.24/x
  3. Step 3: Cross multiply
    8,925.12x = 13,387.68 × 6,618.24
  4. Step 4: Simplify right side
    8,925.12x = 88,602,879.28
  5. Step 5: Solve for x
    x = 88,602,879.28/8,925.12
  6. Step 6: Final answer
    x = 9,927.36

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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.