Home / 14,078.52-19,422.54-9,045.66

Finding the Fourth Proportional to 14,078.52, 19,422.54 and 9,045.66

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Solution

The fourth proportional to 14,078.52, 19,422.54 and 9,045.66 is: 12,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.52 : 19,422.54 = 9,045.66 : x
  2. Step 2: Convert to fraction form
    14,078.52/19,422.54 = 9,045.66/x
  3. Step 3: Cross multiply
    14,078.52x = 19,422.54 × 9,045.66
  4. Step 4: Simplify right side
    14,078.52x = 175,689,693.18
  5. Step 5: Solve for x
    x = 175,689,693.18/14,078.52
  6. Step 6: Final answer
    x = 12,479.27

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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.