Home / 14,976.20-22,434.60-13,129.40

Finding the Fourth Proportional to 14,976.20, 22,434.60 and 13,129.40

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Solution

The fourth proportional to 14,976.20, 22,434.60 and 13,129.40 is: 19,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.20 : 22,434.60 = 13,129.40 : x
  2. Step 2: Convert to fraction form
    14,976.20/22,434.60 = 13,129.40/x
  3. Step 3: Cross multiply
    14,976.20x = 22,434.60 × 13,129.40
  4. Step 4: Simplify right side
    14,976.20x = 294,552,837.24
  5. Step 5: Solve for x
    x = 294,552,837.24/14,976.20
  6. Step 6: Final answer
    x = 19,668.06

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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.