Home / 21,962.95-32,949.28-12,097.15

Finding the Fourth Proportional to 21,962.95, 32,949.28 and 12,097.15

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Solution

The fourth proportional to 21,962.95, 32,949.28 and 12,097.15 is: 18,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962.95 : 32,949.28 = 12,097.15 : x
  2. Step 2: Convert to fraction form
    21,962.95/32,949.28 = 12,097.15/x
  3. Step 3: Cross multiply
    21,962.95x = 32,949.28 × 12,097.15
  4. Step 4: Simplify right side
    21,962.95x = 398,592,315.30
  5. Step 5: Solve for x
    x = 398,592,315.30/21,962.95
  6. Step 6: Final answer
    x = 18,148.40

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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.