Home / 10,587.87-14,620.55-6,615.77

Finding the Fourth Proportional to 10,587.87, 14,620.55 and 6,615.77

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Solution

The fourth proportional to 10,587.87, 14,620.55 and 6,615.77 is: 9,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.87 : 14,620.55 = 6,615.77 : x
  2. Step 2: Convert to fraction form
    10,587.87/14,620.55 = 6,615.77/x
  3. Step 3: Cross multiply
    10,587.87x = 14,620.55 × 6,615.77
  4. Step 4: Simplify right side
    10,587.87x = 96,726,089.89
  5. Step 5: Solve for x
    x = 96,726,089.89/10,587.87
  6. Step 6: Final answer
    x = 9,135.56

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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.