Home / 22,366.08-30,869.28-12,935.52

Finding the Fourth Proportional to 22,366.08, 30,869.28 and 12,935.52

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Solution

The fourth proportional to 22,366.08, 30,869.28 and 12,935.52 is: 17,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,366.08 : 30,869.28 = 12,935.52 : x
  2. Step 2: Convert to fraction form
    22,366.08/30,869.28 = 12,935.52/x
  3. Step 3: Cross multiply
    22,366.08x = 30,869.28 × 12,935.52
  4. Step 4: Simplify right side
    22,366.08x = 399,310,188.83
  5. Step 5: Solve for x
    x = 399,310,188.83/22,366.08
  6. Step 6: Final answer
    x = 17,853.38

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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.