Home / 10,646.04-14,679.18-9,401.88

Finding the Fourth Proportional to 10,646.04, 14,679.18 and 9,401.88

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Solution

The fourth proportional to 10,646.04, 14,679.18 and 9,401.88 is: 12,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.04 : 14,679.18 = 9,401.88 : x
  2. Step 2: Convert to fraction form
    10,646.04/14,679.18 = 9,401.88/x
  3. Step 3: Cross multiply
    10,646.04x = 14,679.18 × 9,401.88
  4. Step 4: Simplify right side
    10,646.04x = 138,011,888.86
  5. Step 5: Solve for x
    x = 138,011,888.86/10,646.04
  6. Step 6: Final answer
    x = 12,963.68

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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.