Home / 18,708.19-28,066.91-5,560.50

Finding the Fourth Proportional to 18,708.19, 28,066.91 and 5,560.50

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Solution

The fourth proportional to 18,708.19, 28,066.91 and 5,560.50 is: 8,342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.19 : 28,066.91 = 5,560.50 : x
  2. Step 2: Convert to fraction form
    18,708.19/28,066.91 = 5,560.50/x
  3. Step 3: Cross multiply
    18,708.19x = 28,066.91 × 5,560.50
  4. Step 4: Simplify right side
    18,708.19x = 156,066,130.50
  5. Step 5: Solve for x
    x = 156,066,130.50/18,708.19
  6. Step 6: Final answer
    x = 8,342.13

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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.