Home / 13,150.60-19,722.30-5,360.20

Finding the Fourth Proportional to 13,150.60, 19,722.30 and 5,360.20

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Solution

The fourth proportional to 13,150.60, 19,722.30 and 5,360.20 is: 8,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.60 : 19,722.30 = 5,360.20 : x
  2. Step 2: Convert to fraction form
    13,150.60/19,722.30 = 5,360.20/x
  3. Step 3: Cross multiply
    13,150.60x = 19,722.30 × 5,360.20
  4. Step 4: Simplify right side
    13,150.60x = 105,715,472.46
  5. Step 5: Solve for x
    x = 105,715,472.46/13,150.60
  6. Step 6: Final answer
    x = 8,038.83

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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.