Home / 15,569.91-23,317.61-8,539.11

Finding the Fourth Proportional to 15,569.91, 23,317.61 and 8,539.11

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Solution

The fourth proportional to 15,569.91, 23,317.61 and 8,539.11 is: 12,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569.91 : 23,317.61 = 8,539.11 : x
  2. Step 2: Convert to fraction form
    15,569.91/23,317.61 = 8,539.11/x
  3. Step 3: Cross multiply
    15,569.91x = 23,317.61 × 8,539.11
  4. Step 4: Simplify right side
    15,569.91x = 199,111,594.03
  5. Step 5: Solve for x
    x = 199,111,594.03/15,569.91
  6. Step 6: Final answer
    x = 12,788.23

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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.