Home / 21,337.18-29,423.46-14,164.57

Finding the Fourth Proportional to 21,337.18, 29,423.46 and 14,164.57

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Solution

The fourth proportional to 21,337.18, 29,423.46 and 14,164.57 is: 19,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.18 : 29,423.46 = 14,164.57 : x
  2. Step 2: Convert to fraction form
    21,337.18/29,423.46 = 14,164.57/x
  3. Step 3: Cross multiply
    21,337.18x = 29,423.46 × 14,164.57
  4. Step 4: Simplify right side
    21,337.18x = 416,770,658.81
  5. Step 5: Solve for x
    x = 416,770,658.81/21,337.18
  6. Step 6: Final answer
    x = 19,532.60

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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.