Home / 12,636.28-17,442.66-9,444.52

Finding the Fourth Proportional to 12,636.28, 17,442.66 and 9,444.52

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Solution

The fourth proportional to 12,636.28, 17,442.66 and 9,444.52 is: 13,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,636.28 : 17,442.66 = 9,444.52 : x
  2. Step 2: Convert to fraction form
    12,636.28/17,442.66 = 9,444.52/x
  3. Step 3: Cross multiply
    12,636.28x = 17,442.66 × 9,444.52
  4. Step 4: Simplify right side
    12,636.28x = 164,737,551.22
  5. Step 5: Solve for x
    x = 164,737,551.22/12,636.28
  6. Step 6: Final answer
    x = 13,036.87

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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.