Home / 13,598.19-20,397.48-8,366.70

Finding the Fourth Proportional to 13,598.19, 20,397.48 and 8,366.70

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Solution

The fourth proportional to 13,598.19, 20,397.48 and 8,366.70 is: 12,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.19 : 20,397.48 = 8,366.70 : x
  2. Step 2: Convert to fraction form
    13,598.19/20,397.48 = 8,366.70/x
  3. Step 3: Cross multiply
    13,598.19x = 20,397.48 × 8,366.70
  4. Step 4: Simplify right side
    13,598.19x = 170,659,595.92
  5. Step 5: Solve for x
    x = 170,659,595.92/13,598.19
  6. Step 6: Final answer
    x = 12,550.17

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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.