Home / 13,582.86-18,744.40-7,614.58

Finding the Fourth Proportional to 13,582.86, 18,744.40 and 7,614.58

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Solution

The fourth proportional to 13,582.86, 18,744.40 and 7,614.58 is: 10,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.86 : 18,744.40 = 7,614.58 : x
  2. Step 2: Convert to fraction form
    13,582.86/18,744.40 = 7,614.58/x
  3. Step 3: Cross multiply
    13,582.86x = 18,744.40 × 7,614.58
  4. Step 4: Simplify right side
    13,582.86x = 142,730,733.35
  5. Step 5: Solve for x
    x = 142,730,733.35/13,582.86
  6. Step 6: Final answer
    x = 10,508.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.