Home / 19,511.32-29,267-9,130.36

Finding the Fourth Proportional to 19,511.32, 29,267 and 9,130.36

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Solution

The fourth proportional to 19,511.32, 29,267 and 9,130.36 is: 13,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.32 : 29,267 = 9,130.36 : x
  2. Step 2: Convert to fraction form
    19,511.32/29,267 = 9,130.36/x
  3. Step 3: Cross multiply
    19,511.32x = 29,267 × 9,130.36
  4. Step 4: Simplify right side
    19,511.32x = 267,218,246.12
  5. Step 5: Solve for x
    x = 267,218,246.12/19,511.32
  6. Step 6: Final answer
    x = 13,695.55

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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.