Home / 13,242.20-19,863.34-4,477.18

Finding the Fourth Proportional to 13,242.20, 19,863.34 and 4,477.18

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Solution

The fourth proportional to 13,242.20, 19,863.34 and 4,477.18 is: 6,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.20 : 19,863.34 = 4,477.18 : x
  2. Step 2: Convert to fraction form
    13,242.20/19,863.34 = 4,477.18/x
  3. Step 3: Cross multiply
    13,242.20x = 19,863.34 × 4,477.18
  4. Step 4: Simplify right side
    13,242.20x = 88,931,748.58
  5. Step 5: Solve for x
    x = 88,931,748.58/13,242.20
  6. Step 6: Final answer
    x = 6,715.78

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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.