Home / 18,487.16-27,727.48-5,341.40

Finding the Fourth Proportional to 18,487.16, 27,727.48 and 5,341.40

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Solution

The fourth proportional to 18,487.16, 27,727.48 and 5,341.40 is: 8,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.16 : 27,727.48 = 5,341.40 : x
  2. Step 2: Convert to fraction form
    18,487.16/27,727.48 = 5,341.40/x
  3. Step 3: Cross multiply
    18,487.16x = 27,727.48 × 5,341.40
  4. Step 4: Simplify right side
    18,487.16x = 148,103,561.67
  5. Step 5: Solve for x
    x = 148,103,561.67/18,487.16
  6. Step 6: Final answer
    x = 8,011.16

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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.