Home / 21,523.66-29,701.29-12,573.70

Finding the Fourth Proportional to 21,523.66, 29,701.29 and 12,573.70

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Solution

The fourth proportional to 21,523.66, 29,701.29 and 12,573.70 is: 17,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.66 : 29,701.29 = 12,573.70 : x
  2. Step 2: Convert to fraction form
    21,523.66/29,701.29 = 12,573.70/x
  3. Step 3: Cross multiply
    21,523.66x = 29,701.29 × 12,573.70
  4. Step 4: Simplify right side
    21,523.66x = 373,455,110.07
  5. Step 5: Solve for x
    x = 373,455,110.07/21,523.66
  6. Step 6: Final answer
    x = 17,350.91

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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.