Home / 8,923.28-12,248.18-7,906.32

Finding the Fourth Proportional to 8,923.28, 12,248.18 and 7,906.32

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Solution

The fourth proportional to 8,923.28, 12,248.18 and 7,906.32 is: 10,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.28 : 12,248.18 = 7,906.32 : x
  2. Step 2: Convert to fraction form
    8,923.28/12,248.18 = 7,906.32/x
  3. Step 3: Cross multiply
    8,923.28x = 12,248.18 × 7,906.32
  4. Step 4: Simplify right side
    8,923.28x = 96,838,030.50
  5. Step 5: Solve for x
    x = 96,838,030.50/8,923.28
  6. Step 6: Final answer
    x = 10,852.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.