Home / 19,320.27-28,977.62-6,170.91

Finding the Fourth Proportional to 19,320.27, 28,977.62 and 6,170.91

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Solution

The fourth proportional to 19,320.27, 28,977.62 and 6,170.91 is: 9,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.27 : 28,977.62 = 6,170.91 : x
  2. Step 2: Convert to fraction form
    19,320.27/28,977.62 = 6,170.91/x
  3. Step 3: Cross multiply
    19,320.27x = 28,977.62 × 6,170.91
  4. Step 4: Simplify right side
    19,320.27x = 178,818,254.18
  5. Step 5: Solve for x
    x = 178,818,254.18/19,320.27
  6. Step 6: Final answer
    x = 9,255.47

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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.