Home / 22,270.55-30,726.14-15,184.67

Finding the Fourth Proportional to 22,270.55, 30,726.14 and 15,184.67

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Solution

The fourth proportional to 22,270.55, 30,726.14 and 15,184.67 is: 20,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.55 : 30,726.14 = 15,184.67 : x
  2. Step 2: Convert to fraction form
    22,270.55/30,726.14 = 15,184.67/x
  3. Step 3: Cross multiply
    22,270.55x = 30,726.14 × 15,184.67
  4. Step 4: Simplify right side
    22,270.55x = 466,566,066.72
  5. Step 5: Solve for x
    x = 466,566,066.72/22,270.55
  6. Step 6: Final answer
    x = 20,949.92

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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.