Home / 12,835.52-19,264.28-9,146.80

Finding the Fourth Proportional to 12,835.52, 19,264.28 and 9,146.80

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Solution

The fourth proportional to 12,835.52, 19,264.28 and 9,146.80 is: 13,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.52 : 19,264.28 = 9,146.80 : x
  2. Step 2: Convert to fraction form
    12,835.52/19,264.28 = 9,146.80/x
  3. Step 3: Cross multiply
    12,835.52x = 19,264.28 × 9,146.80
  4. Step 4: Simplify right side
    12,835.52x = 176,206,516.30
  5. Step 5: Solve for x
    x = 176,206,516.30/12,835.52
  6. Step 6: Final answer
    x = 13,728.04

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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.