Home / 18,493.04-27,740.98-5,345.53

Finding the Fourth Proportional to 18,493.04, 27,740.98 and 5,345.53

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Solution

The fourth proportional to 18,493.04, 27,740.98 and 5,345.53 is: 8,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.04 : 27,740.98 = 5,345.53 : x
  2. Step 2: Convert to fraction form
    18,493.04/27,740.98 = 5,345.53/x
  3. Step 3: Cross multiply
    18,493.04x = 27,740.98 × 5,345.53
  4. Step 4: Simplify right side
    18,493.04x = 148,290,240.82
  5. Step 5: Solve for x
    x = 148,290,240.82/18,493.04
  6. Step 6: Final answer
    x = 8,018.71

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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.