Home / 8,431.76-12,637.40-5,967.30

Finding the Fourth Proportional to 8,431.76, 12,637.40 and 5,967.30

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Solution

The fourth proportional to 8,431.76, 12,637.40 and 5,967.30 is: 8,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.76 : 12,637.40 = 5,967.30 : x
  2. Step 2: Convert to fraction form
    8,431.76/12,637.40 = 5,967.30/x
  3. Step 3: Cross multiply
    8,431.76x = 12,637.40 × 5,967.30
  4. Step 4: Simplify right side
    8,431.76x = 75,411,157.02
  5. Step 5: Solve for x
    x = 75,411,157.02/8,431.76
  6. Step 6: Final answer
    x = 8,943.70

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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.