Home / 19,582.60-29,363.10-8,487.40

Finding the Fourth Proportional to 19,582.60, 29,363.10 and 8,487.40

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Solution

The fourth proportional to 19,582.60, 29,363.10 and 8,487.40 is: 12,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.60 : 29,363.10 = 8,487.40 : x
  2. Step 2: Convert to fraction form
    19,582.60/29,363.10 = 8,487.40/x
  3. Step 3: Cross multiply
    19,582.60x = 29,363.10 × 8,487.40
  4. Step 4: Simplify right side
    19,582.60x = 249,216,374.94
  5. Step 5: Solve for x
    x = 249,216,374.94/19,582.60
  6. Step 6: Final answer
    x = 12,726.42

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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.