Home / 14,775.28-22,158.60-12,171.76

Finding the Fourth Proportional to 14,775.28, 22,158.60 and 12,171.76

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Solution

The fourth proportional to 14,775.28, 22,158.60 and 12,171.76 is: 18,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.28 : 22,158.60 = 12,171.76 : x
  2. Step 2: Convert to fraction form
    14,775.28/22,158.60 = 12,171.76/x
  3. Step 3: Cross multiply
    14,775.28x = 22,158.60 × 12,171.76
  4. Step 4: Simplify right side
    14,775.28x = 269,709,161.14
  5. Step 5: Solve for x
    x = 269,709,161.14/14,775.28
  6. Step 6: Final answer
    x = 18,254.08

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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.