Home / 12,577.74-18,841.95-7,301.69

Finding the Fourth Proportional to 12,577.74, 18,841.95 and 7,301.69

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Solution

The fourth proportional to 12,577.74, 18,841.95 and 7,301.69 is: 10,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.74 : 18,841.95 = 7,301.69 : x
  2. Step 2: Convert to fraction form
    12,577.74/18,841.95 = 7,301.69/x
  3. Step 3: Cross multiply
    12,577.74x = 18,841.95 × 7,301.69
  4. Step 4: Simplify right side
    12,577.74x = 137,577,983.69
  5. Step 5: Solve for x
    x = 137,577,983.69/12,577.74
  6. Step 6: Final answer
    x = 10,938.21

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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.