Home / 12,925.65-19,398.21-8,755.77

Finding the Fourth Proportional to 12,925.65, 19,398.21 and 8,755.77

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Solution

The fourth proportional to 12,925.65, 19,398.21 and 8,755.77 is: 13,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.65 : 19,398.21 = 8,755.77 : x
  2. Step 2: Convert to fraction form
    12,925.65/19,398.21 = 8,755.77/x
  3. Step 3: Cross multiply
    12,925.65x = 19,398.21 × 8,755.77
  4. Step 4: Simplify right side
    12,925.65x = 169,846,265.17
  5. Step 5: Solve for x
    x = 169,846,265.17/12,925.65
  6. Step 6: Final answer
    x = 13,140.25

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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.