Home / 10,197.31-15,295.95-2,801.80

Finding the Fourth Proportional to 10,197.31, 15,295.95 and 2,801.80

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Solution

The fourth proportional to 10,197.31, 15,295.95 and 2,801.80 is: 4,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.31 : 15,295.95 = 2,801.80 : x
  2. Step 2: Convert to fraction form
    10,197.31/15,295.95 = 2,801.80/x
  3. Step 3: Cross multiply
    10,197.31x = 15,295.95 × 2,801.80
  4. Step 4: Simplify right side
    10,197.31x = 42,856,192.71
  5. Step 5: Solve for x
    x = 42,856,192.71/10,197.31
  6. Step 6: Final answer
    x = 4,202.70

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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.