Home / 21,507.46-32,219.18-14,089.38

Finding the Fourth Proportional to 21,507.46, 32,219.18 and 14,089.38

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Solution

The fourth proportional to 21,507.46, 32,219.18 and 14,089.38 is: 21,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507.46 : 32,219.18 = 14,089.38 : x
  2. Step 2: Convert to fraction form
    21,507.46/32,219.18 = 14,089.38/x
  3. Step 3: Cross multiply
    21,507.46x = 32,219.18 × 14,089.38
  4. Step 4: Simplify right side
    21,507.46x = 453,948,270.31
  5. Step 5: Solve for x
    x = 453,948,270.31/21,507.46
  6. Step 6: Final answer
    x = 21,106.55

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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.