Home / 18,860.77-28,294.63-6,211.23

Finding the Fourth Proportional to 18,860.77, 28,294.63 and 6,211.23

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Solution

The fourth proportional to 18,860.77, 28,294.63 and 6,211.23 is: 9,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.77 : 28,294.63 = 6,211.23 : x
  2. Step 2: Convert to fraction form
    18,860.77/28,294.63 = 6,211.23/x
  3. Step 3: Cross multiply
    18,860.77x = 28,294.63 × 6,211.23
  4. Step 4: Simplify right side
    18,860.77x = 175,744,527.16
  5. Step 5: Solve for x
    x = 175,744,527.16/18,860.77
  6. Step 6: Final answer
    x = 9,318.00

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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.