Home / 12,715.60-19,073.40-8,568.40

Finding the Fourth Proportional to 12,715.60, 19,073.40 and 8,568.40

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Solution

The fourth proportional to 12,715.60, 19,073.40 and 8,568.40 is: 12,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.60 : 19,073.40 = 8,568.40 : x
  2. Step 2: Convert to fraction form
    12,715.60/19,073.40 = 8,568.40/x
  3. Step 3: Cross multiply
    12,715.60x = 19,073.40 × 8,568.40
  4. Step 4: Simplify right side
    12,715.60x = 163,428,520.56
  5. Step 5: Solve for x
    x = 163,428,520.56/12,715.60
  6. Step 6: Final answer
    x = 12,852.60

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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.