Home / 14,497.48-20,000.10-8,911.72

Finding the Fourth Proportional to 14,497.48, 20,000.10 and 8,911.72

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Solution

The fourth proportional to 14,497.48, 20,000.10 and 8,911.72 is: 12,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497.48 : 20,000.10 = 8,911.72 : x
  2. Step 2: Convert to fraction form
    14,497.48/20,000.10 = 8,911.72/x
  3. Step 3: Cross multiply
    14,497.48x = 20,000.10 × 8,911.72
  4. Step 4: Simplify right side
    14,497.48x = 178,235,291.17
  5. Step 5: Solve for x
    x = 178,235,291.17/14,497.48
  6. Step 6: Final answer
    x = 12,294.23

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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.