Home / 21,246.66-29,284.26-14,520.63

Finding the Fourth Proportional to 21,246.66, 29,284.26 and 14,520.63

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Solution

The fourth proportional to 21,246.66, 29,284.26 and 14,520.63 is: 20,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.66 : 29,284.26 = 14,520.63 : x
  2. Step 2: Convert to fraction form
    21,246.66/29,284.26 = 14,520.63/x
  3. Step 3: Cross multiply
    21,246.66x = 29,284.26 × 14,520.63
  4. Step 4: Simplify right side
    21,246.66x = 425,225,904.28
  5. Step 5: Solve for x
    x = 425,225,904.28/21,246.66
  6. Step 6: Final answer
    x = 20,013.78

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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.