Home / 8,124.86-11,187.33-6,927.18

Finding the Fourth Proportional to 8,124.86, 11,187.33 and 6,927.18

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Solution

The fourth proportional to 8,124.86, 11,187.33 and 6,927.18 is: 9,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.86 : 11,187.33 = 6,927.18 : x
  2. Step 2: Convert to fraction form
    8,124.86/11,187.33 = 6,927.18/x
  3. Step 3: Cross multiply
    8,124.86x = 11,187.33 × 6,927.18
  4. Step 4: Simplify right side
    8,124.86x = 77,496,580.70
  5. Step 5: Solve for x
    x = 77,496,580.70/8,124.86
  6. Step 6: Final answer
    x = 9,538.20

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1.5x scale

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.