Home / 22,416.72-30,935.28-12,345.52

Finding the Fourth Proportional to 22,416.72, 30,935.28 and 12,345.52

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Solution

The fourth proportional to 22,416.72, 30,935.28 and 12,345.52 is: 17,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,416.72 : 30,935.28 = 12,345.52 : x
  2. Step 2: Convert to fraction form
    22,416.72/30,935.28 = 12,345.52/x
  3. Step 3: Cross multiply
    22,416.72x = 30,935.28 × 12,345.52
  4. Step 4: Simplify right side
    22,416.72x = 381,912,117.95
  5. Step 5: Solve for x
    x = 381,912,117.95/22,416.72
  6. Step 6: Final answer
    x = 17,036.93

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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.