Home / 12,526.08-17,285.76-7,221.12

Finding the Fourth Proportional to 12,526.08, 17,285.76 and 7,221.12

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Solution

The fourth proportional to 12,526.08, 17,285.76 and 7,221.12 is: 9,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.08 : 17,285.76 = 7,221.12 : x
  2. Step 2: Convert to fraction form
    12,526.08/17,285.76 = 7,221.12/x
  3. Step 3: Cross multiply
    12,526.08x = 17,285.76 × 7,221.12
  4. Step 4: Simplify right side
    12,526.08x = 124,822,547.25
  5. Step 5: Solve for x
    x = 124,822,547.25/12,526.08
  6. Step 6: Final answer
    x = 9,965.01

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Similar ratio
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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.