Home / 19,290.26-28,937.52-6,139.55

Finding the Fourth Proportional to 19,290.26, 28,937.52 and 6,139.55

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Solution

The fourth proportional to 19,290.26, 28,937.52 and 6,139.55 is: 9,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.26 : 28,937.52 = 6,139.55 : x
  2. Step 2: Convert to fraction form
    19,290.26/28,937.52 = 6,139.55/x
  3. Step 3: Cross multiply
    19,290.26x = 28,937.52 × 6,139.55
  4. Step 4: Simplify right side
    19,290.26x = 177,663,423.26
  5. Step 5: Solve for x
    x = 177,663,423.26/19,290.26
  6. Step 6: Final answer
    x = 9,210.01

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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.