Home / 10,261.52-14,158.28-6,281.20

Finding the Fourth Proportional to 10,261.52, 14,158.28 and 6,281.20

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Solution

The fourth proportional to 10,261.52, 14,158.28 and 6,281.20 is: 8,666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.52 : 14,158.28 = 6,281.20 : x
  2. Step 2: Convert to fraction form
    10,261.52/14,158.28 = 6,281.20/x
  3. Step 3: Cross multiply
    10,261.52x = 14,158.28 × 6,281.20
  4. Step 4: Simplify right side
    10,261.52x = 88,930,988.34
  5. Step 5: Solve for x
    x = 88,930,988.34/10,261.52
  6. Step 6: Final answer
    x = 8,666.45

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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.