Home / 15,019.34-22,515.41-7,116.93

Finding the Fourth Proportional to 15,019.34, 22,515.41 and 7,116.93

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Solution

The fourth proportional to 15,019.34, 22,515.41 and 7,116.93 is: 10,668.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.34 : 22,515.41 = 7,116.93 : x
  2. Step 2: Convert to fraction form
    15,019.34/22,515.41 = 7,116.93/x
  3. Step 3: Cross multiply
    15,019.34x = 22,515.41 × 7,116.93
  4. Step 4: Simplify right side
    15,019.34x = 160,240,614.68
  5. Step 5: Solve for x
    x = 160,240,614.68/15,019.34
  6. Step 6: Final answer
    x = 10,668.96

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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.