Home / 14,945.72-22,358.10-12,485.48

Finding the Fourth Proportional to 14,945.72, 22,358.10 and 12,485.48

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Solution

The fourth proportional to 14,945.72, 22,358.10 and 12,485.48 is: 18,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.72 : 22,358.10 = 12,485.48 : x
  2. Step 2: Convert to fraction form
    14,945.72/22,358.10 = 12,485.48/x
  3. Step 3: Cross multiply
    14,945.72x = 22,358.10 × 12,485.48
  4. Step 4: Simplify right side
    14,945.72x = 279,151,610.39
  5. Step 5: Solve for x
    x = 279,151,610.39/14,945.72
  6. Step 6: Final answer
    x = 18,677.70

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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.