Home / 15,217.20-22,788.53-12,568.50

Finding the Fourth Proportional to 15,217.20, 22,788.53 and 12,568.50

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Solution

The fourth proportional to 15,217.20, 22,788.53 and 12,568.50 is: 18,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.20 : 22,788.53 = 12,568.50 : x
  2. Step 2: Convert to fraction form
    15,217.20/22,788.53 = 12,568.50/x
  3. Step 3: Cross multiply
    15,217.20x = 22,788.53 × 12,568.50
  4. Step 4: Simplify right side
    15,217.20x = 286,417,576.46
  5. Step 5: Solve for x
    x = 286,417,576.46/15,217.20
  6. Step 6: Final answer
    x = 18,821.96

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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.