Home / 8,966.88-13,450.32-3,123.45

Finding the Fourth Proportional to 8,966.88, 13,450.32 and 3,123.45

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Solution

The fourth proportional to 8,966.88, 13,450.32 and 3,123.45 is: 4,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.88 : 13,450.32 = 3,123.45 : x
  2. Step 2: Convert to fraction form
    8,966.88/13,450.32 = 3,123.45/x
  3. Step 3: Cross multiply
    8,966.88x = 13,450.32 × 3,123.45
  4. Step 4: Simplify right side
    8,966.88x = 42,011,402.00
  5. Step 5: Solve for x
    x = 42,011,402.00/8,966.88
  6. Step 6: Final answer
    x = 4,685.18

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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.