Home / 18,860.45-28,294.14-6,210.93

Finding the Fourth Proportional to 18,860.45, 28,294.14 and 6,210.93

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Solution

The fourth proportional to 18,860.45, 28,294.14 and 6,210.93 is: 9,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.45 : 28,294.14 = 6,210.93 : x
  2. Step 2: Convert to fraction form
    18,860.45/28,294.14 = 6,210.93/x
  3. Step 3: Cross multiply
    18,860.45x = 28,294.14 × 6,210.93
  4. Step 4: Simplify right side
    18,860.45x = 175,732,922.95
  5. Step 5: Solve for x
    x = 175,732,922.95/18,860.45
  6. Step 6: Final answer
    x = 9,317.54

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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.