Home / 19,219.20-28,834.20-6,071.28

Finding the Fourth Proportional to 19,219.20, 28,834.20 and 6,071.28

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Solution

The fourth proportional to 19,219.20, 28,834.20 and 6,071.28 is: 9,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.20 : 28,834.20 = 6,071.28 : x
  2. Step 2: Convert to fraction form
    19,219.20/28,834.20 = 6,071.28/x
  3. Step 3: Cross multiply
    19,219.20x = 28,834.20 × 6,071.28
  4. Step 4: Simplify right side
    19,219.20x = 175,060,501.78
  5. Step 5: Solve for x
    x = 175,060,501.78/19,219.20
  6. Step 6: Final answer
    x = 9,108.63

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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.