Home / 13,019.20-17,966.54-7,050.85

Finding the Fourth Proportional to 13,019.20, 17,966.54 and 7,050.85

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Solution

The fourth proportional to 13,019.20, 17,966.54 and 7,050.85 is: 9,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.20 : 17,966.54 = 7,050.85 : x
  2. Step 2: Convert to fraction form
    13,019.20/17,966.54 = 7,050.85/x
  3. Step 3: Cross multiply
    13,019.20x = 17,966.54 × 7,050.85
  4. Step 4: Simplify right side
    13,019.20x = 126,679,378.56
  5. Step 5: Solve for x
    x = 126,679,378.56/13,019.20
  6. Step 6: Final answer
    x = 9,730.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.