Home / 12,714.08-17,545.20-7,048.64

Finding the Fourth Proportional to 12,714.08, 17,545.20 and 7,048.64

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Solution

The fourth proportional to 12,714.08, 17,545.20 and 7,048.64 is: 9,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,714.08 : 17,545.20 = 7,048.64 : x
  2. Step 2: Convert to fraction form
    12,714.08/17,545.20 = 7,048.64/x
  3. Step 3: Cross multiply
    12,714.08x = 17,545.20 × 7,048.64
  4. Step 4: Simplify right side
    12,714.08x = 123,669,798.53
  5. Step 5: Solve for x
    x = 123,669,798.53/12,714.08
  6. Step 6: Final answer
    x = 9,727.00

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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.