Home / 22,360-30,869.76-14,920.96

Finding the Fourth Proportional to 22,360, 30,869.76 and 14,920.96

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Solution

The fourth proportional to 22,360, 30,869.76 and 14,920.96 is: 20,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360 : 30,869.76 = 14,920.96 : x
  2. Step 2: Convert to fraction form
    22,360/30,869.76 = 14,920.96/x
  3. Step 3: Cross multiply
    22,360x = 30,869.76 × 14,920.96
  4. Step 4: Simplify right side
    22,360x = 460,606,454.17
  5. Step 5: Solve for x
    x = 460,606,454.17/22,360
  6. Step 6: Final answer
    x = 20,599.57

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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.