Home / 12,691.48-19,034.16-4,895.32

Finding the Fourth Proportional to 12,691.48, 19,034.16 and 4,895.32

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Solution

The fourth proportional to 12,691.48, 19,034.16 and 4,895.32 is: 7,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691.48 : 19,034.16 = 4,895.32 : x
  2. Step 2: Convert to fraction form
    12,691.48/19,034.16 = 4,895.32/x
  3. Step 3: Cross multiply
    12,691.48x = 19,034.16 × 4,895.32
  4. Step 4: Simplify right side
    12,691.48x = 93,178,304.13
  5. Step 5: Solve for x
    x = 93,178,304.13/12,691.48
  6. Step 6: Final answer
    x = 7,341.80

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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.