Home / 12,988.68-19,475.96-6,322.92

Finding the Fourth Proportional to 12,988.68, 19,475.96 and 6,322.92

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Solution

The fourth proportional to 12,988.68, 19,475.96 and 6,322.92 is: 9,480.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988.68 : 19,475.96 = 6,322.92 : x
  2. Step 2: Convert to fraction form
    12,988.68/19,475.96 = 6,322.92/x
  3. Step 3: Cross multiply
    12,988.68x = 19,475.96 × 6,322.92
  4. Step 4: Simplify right side
    12,988.68x = 123,144,937.00
  5. Step 5: Solve for x
    x = 123,144,937.00/12,988.68
  6. Step 6: Final answer
    x = 9,480.94

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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.