Home / 21,505.08-29,689.34-14,333.08

Finding the Fourth Proportional to 21,505.08, 29,689.34 and 14,333.08

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Solution

The fourth proportional to 21,505.08, 29,689.34 and 14,333.08 is: 19,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505.08 : 29,689.34 = 14,333.08 : x
  2. Step 2: Convert to fraction form
    21,505.08/29,689.34 = 14,333.08/x
  3. Step 3: Cross multiply
    21,505.08x = 29,689.34 × 14,333.08
  4. Step 4: Simplify right side
    21,505.08x = 425,539,685.37
  5. Step 5: Solve for x
    x = 425,539,685.37/21,505.08
  6. Step 6: Final answer
    x = 19,787.87

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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.