Home / 12,948.13-19,422.61-3,587.35

Finding the Fourth Proportional to 12,948.13, 19,422.61 and 3,587.35

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Solution

The fourth proportional to 12,948.13, 19,422.61 and 3,587.35 is: 5,381.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.13 : 19,422.61 = 3,587.35 : x
  2. Step 2: Convert to fraction form
    12,948.13/19,422.61 = 3,587.35/x
  3. Step 3: Cross multiply
    12,948.13x = 19,422.61 × 3,587.35
  4. Step 4: Simplify right side
    12,948.13x = 69,675,642.46
  5. Step 5: Solve for x
    x = 69,675,642.46/12,948.13
  6. Step 6: Final answer
    x = 5,381.14

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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.