Home / 8,966.90-12,376.40-5,983.88

Finding the Fourth Proportional to 8,966.90, 12,376.40 and 5,983.88

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Solution

The fourth proportional to 8,966.90, 12,376.40 and 5,983.88 is: 8,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.90 : 12,376.40 = 5,983.88 : x
  2. Step 2: Convert to fraction form
    8,966.90/12,376.40 = 5,983.88/x
  3. Step 3: Cross multiply
    8,966.90x = 12,376.40 × 5,983.88
  4. Step 4: Simplify right side
    8,966.90x = 74,058,800.63
  5. Step 5: Solve for x
    x = 74,058,800.63/8,966.90
  6. Step 6: Final answer
    x = 8,259.13

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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.