Home / 19,302.12-28,950.72-6,155.80

Finding the Fourth Proportional to 19,302.12, 28,950.72 and 6,155.80

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Solution

The fourth proportional to 19,302.12, 28,950.72 and 6,155.80 is: 9,232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.12 : 28,950.72 = 6,155.80 : x
  2. Step 2: Convert to fraction form
    19,302.12/28,950.72 = 6,155.80/x
  3. Step 3: Cross multiply
    19,302.12x = 28,950.72 × 6,155.80
  4. Step 4: Simplify right side
    19,302.12x = 178,214,842.18
  5. Step 5: Solve for x
    x = 178,214,842.18/19,302.12
  6. Step 6: Final answer
    x = 9,232.92

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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.