Home / 15,015.20-22,492.05-8,427.55

Finding the Fourth Proportional to 15,015.20, 22,492.05 and 8,427.55

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Solution

The fourth proportional to 15,015.20, 22,492.05 and 8,427.55 is: 12,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.20 : 22,492.05 = 8,427.55 : x
  2. Step 2: Convert to fraction form
    15,015.20/22,492.05 = 8,427.55/x
  3. Step 3: Cross multiply
    15,015.20x = 22,492.05 × 8,427.55
  4. Step 4: Simplify right side
    15,015.20x = 189,552,875.98
  5. Step 5: Solve for x
    x = 189,552,875.98/15,015.20
  6. Step 6: Final answer
    x = 12,624.07

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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.