Home / 14,572.48-20,108.64-8,982.40

Finding the Fourth Proportional to 14,572.48, 20,108.64 and 8,982.40

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Solution

The fourth proportional to 14,572.48, 20,108.64 and 8,982.40 is: 12,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.48 : 20,108.64 = 8,982.40 : x
  2. Step 2: Convert to fraction form
    14,572.48/20,108.64 = 8,982.40/x
  3. Step 3: Cross multiply
    14,572.48x = 20,108.64 × 8,982.40
  4. Step 4: Simplify right side
    14,572.48x = 180,623,847.94
  5. Step 5: Solve for x
    x = 180,623,847.94/14,572.48
  6. Step 6: Final answer
    x = 12,394.86

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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.