Home / 12,314.20-16,988.08-7,601.16

Finding the Fourth Proportional to 12,314.20, 16,988.08 and 7,601.16

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Solution

The fourth proportional to 12,314.20, 16,988.08 and 7,601.16 is: 10,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,314.20 : 16,988.08 = 7,601.16 : x
  2. Step 2: Convert to fraction form
    12,314.20/16,988.08 = 7,601.16/x
  3. Step 3: Cross multiply
    12,314.20x = 16,988.08 × 7,601.16
  4. Step 4: Simplify right side
    12,314.20x = 129,129,114.17
  5. Step 5: Solve for x
    x = 129,129,114.17/12,314.20
  6. Step 6: Final answer
    x = 10,486.20

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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.