Home / 21,913.13-32,898.86-14,821.19

Finding the Fourth Proportional to 21,913.13, 32,898.86 and 14,821.19

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Solution

The fourth proportional to 21,913.13, 32,898.86 and 14,821.19 is: 22,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,913.13 : 32,898.86 = 14,821.19 : x
  2. Step 2: Convert to fraction form
    21,913.13/32,898.86 = 14,821.19/x
  3. Step 3: Cross multiply
    21,913.13x = 32,898.86 × 14,821.19
  4. Step 4: Simplify right side
    21,913.13x = 487,600,016.24
  5. Step 5: Solve for x
    x = 487,600,016.24/21,913.13
  6. Step 6: Final answer
    x = 22,251.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.