Home / 21,734.64-29,947.48-14,648.76

Finding the Fourth Proportional to 21,734.64, 29,947.48 and 14,648.76

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Solution

The fourth proportional to 21,734.64, 29,947.48 and 14,648.76 is: 20,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734.64 : 29,947.48 = 14,648.76 : x
  2. Step 2: Convert to fraction form
    21,734.64/29,947.48 = 14,648.76/x
  3. Step 3: Cross multiply
    21,734.64x = 29,947.48 × 14,648.76
  4. Step 4: Simplify right side
    21,734.64x = 438,693,447.12
  5. Step 5: Solve for x
    x = 438,693,447.12/21,734.64
  6. Step 6: Final answer
    x = 20,184.07

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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.