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Finding the Fourth Proportional to 10,643.10, 15,967.05 and 6,258.30

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Solution

The fourth proportional to 10,643.10, 15,967.05 and 6,258.30 is: 9,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.10 : 15,967.05 = 6,258.30 : x
  2. Step 2: Convert to fraction form
    10,643.10/15,967.05 = 6,258.30/x
  3. Step 3: Cross multiply
    10,643.10x = 15,967.05 × 6,258.30
  4. Step 4: Simplify right side
    10,643.10x = 99,926,589.02
  5. Step 5: Solve for x
    x = 99,926,589.02/10,643.10
  6. Step 6: Final answer
    x = 9,388.86

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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.