Home / 18,860.93-28,294.33-5,710.17

Finding the Fourth Proportional to 18,860.93, 28,294.33 and 5,710.17

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Solution

The fourth proportional to 18,860.93, 28,294.33 and 5,710.17 is: 8,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.93 : 28,294.33 = 5,710.17 : x
  2. Step 2: Convert to fraction form
    18,860.93/28,294.33 = 5,710.17/x
  3. Step 3: Cross multiply
    18,860.93x = 28,294.33 × 5,710.17
  4. Step 4: Simplify right side
    18,860.93x = 161,565,536.87
  5. Step 5: Solve for x
    x = 161,565,536.87/18,860.93
  6. Step 6: Final answer
    x = 8,566.15

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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.