Home / 13,069.12-19,569.66-7,217.68

Finding the Fourth Proportional to 13,069.12, 19,569.66 and 7,217.68

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Solution

The fourth proportional to 13,069.12, 19,569.66 and 7,217.68 is: 10,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.12 : 19,569.66 = 7,217.68 : x
  2. Step 2: Convert to fraction form
    13,069.12/19,569.66 = 7,217.68/x
  3. Step 3: Cross multiply
    13,069.12x = 19,569.66 × 7,217.68
  4. Step 4: Simplify right side
    13,069.12x = 141,247,543.59
  5. Step 5: Solve for x
    x = 141,247,543.59/13,069.12
  6. Step 6: Final answer
    x = 10,807.73

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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.