Home / 19,587.61-29,392.17-8,494.39

Finding the Fourth Proportional to 19,587.61, 29,392.17 and 8,494.39

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Solution

The fourth proportional to 19,587.61, 29,392.17 and 8,494.39 is: 12,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.61 : 29,392.17 = 8,494.39 : x
  2. Step 2: Convert to fraction form
    19,587.61/29,392.17 = 8,494.39/x
  3. Step 3: Cross multiply
    19,587.61x = 29,392.17 × 8,494.39
  4. Step 4: Simplify right side
    19,587.61x = 249,668,554.93
  5. Step 5: Solve for x
    x = 249,668,554.93/19,587.61
  6. Step 6: Final answer
    x = 12,746.25

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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.