Home / 8,823.86-13,231.59-5,127.15

Finding the Fourth Proportional to 8,823.86, 13,231.59 and 5,127.15

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Solution

The fourth proportional to 8,823.86, 13,231.59 and 5,127.15 is: 7,688.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.86 : 13,231.59 = 5,127.15 : x
  2. Step 2: Convert to fraction form
    8,823.86/13,231.59 = 5,127.15/x
  3. Step 3: Cross multiply
    8,823.86x = 13,231.59 × 5,127.15
  4. Step 4: Simplify right side
    8,823.86x = 67,840,346.67
  5. Step 5: Solve for x
    x = 67,840,346.67/8,823.86
  6. Step 6: Final answer
    x = 7,688.29

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1.5x scale

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.