Home / 21,510.62-32,214.01-12,937.41

Finding the Fourth Proportional to 21,510.62, 32,214.01 and 12,937.41

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Solution

The fourth proportional to 21,510.62, 32,214.01 and 12,937.41 is: 19,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,510.62 : 32,214.01 = 12,937.41 : x
  2. Step 2: Convert to fraction form
    21,510.62/32,214.01 = 12,937.41/x
  3. Step 3: Cross multiply
    21,510.62x = 32,214.01 × 12,937.41
  4. Step 4: Simplify right side
    21,510.62x = 416,765,855.11
  5. Step 5: Solve for x
    x = 416,765,855.11/21,510.62
  6. Step 6: Final answer
    x = 19,374.89

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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.