Home / 15,023.68-22,491.64-12,071.20

Finding the Fourth Proportional to 15,023.68, 22,491.64 and 12,071.20

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Solution

The fourth proportional to 15,023.68, 22,491.64 and 12,071.20 is: 18,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,023.68 : 22,491.64 = 12,071.20 : x
  2. Step 2: Convert to fraction form
    15,023.68/22,491.64 = 12,071.20/x
  3. Step 3: Cross multiply
    15,023.68x = 22,491.64 × 12,071.20
  4. Step 4: Simplify right side
    15,023.68x = 271,501,084.77
  5. Step 5: Solve for x
    x = 271,501,084.77/15,023.68
  6. Step 6: Final answer
    x = 18,071.54

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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.