Home / 18,226.95-27,341.55-5,747.40

Finding the Fourth Proportional to 18,226.95, 27,341.55 and 5,747.40

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Solution

The fourth proportional to 18,226.95, 27,341.55 and 5,747.40 is: 8,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.95 : 27,341.55 = 5,747.40 : x
  2. Step 2: Convert to fraction form
    18,226.95/27,341.55 = 5,747.40/x
  3. Step 3: Cross multiply
    18,226.95x = 27,341.55 × 5,747.40
  4. Step 4: Simplify right side
    18,226.95x = 157,142,824.47
  5. Step 5: Solve for x
    x = 157,142,824.47/18,226.95
  6. Step 6: Final answer
    x = 8,621.45

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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.