Home / 10,643.12-15,962.64-6,255.46

Finding the Fourth Proportional to 10,643.12, 15,962.64 and 6,255.46

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Solution

The fourth proportional to 10,643.12, 15,962.64 and 6,255.46 is: 9,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.12 : 15,962.64 = 6,255.46 : x
  2. Step 2: Convert to fraction form
    10,643.12/15,962.64 = 6,255.46/x
  3. Step 3: Cross multiply
    10,643.12x = 15,962.64 × 6,255.46
  4. Step 4: Simplify right side
    10,643.12x = 99,853,656.01
  5. Step 5: Solve for x
    x = 99,853,656.01/10,643.12
  6. Step 6: Final answer
    x = 9,381.99

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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.