Home / 15,693.15-21,655.58-14,439.27

Finding the Fourth Proportional to 15,693.15, 21,655.58 and 14,439.27

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Solution

The fourth proportional to 15,693.15, 21,655.58 and 14,439.27 is: 19,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.15 : 21,655.58 = 14,439.27 : x
  2. Step 2: Convert to fraction form
    15,693.15/21,655.58 = 14,439.27/x
  3. Step 3: Cross multiply
    15,693.15x = 21,655.58 × 14,439.27
  4. Step 4: Simplify right side
    15,693.15x = 312,690,694.43
  5. Step 5: Solve for x
    x = 312,690,694.43/15,693.15
  6. Step 6: Final answer
    x = 19,925.30

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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.