Home / 10,292.39-15,439.50-2,896.91

Finding the Fourth Proportional to 10,292.39, 15,439.50 and 2,896.91

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Solution

The fourth proportional to 10,292.39, 15,439.50 and 2,896.91 is: 4,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.39 : 15,439.50 = 2,896.91 : x
  2. Step 2: Convert to fraction form
    10,292.39/15,439.50 = 2,896.91/x
  3. Step 3: Cross multiply
    10,292.39x = 15,439.50 × 2,896.91
  4. Step 4: Simplify right side
    10,292.39x = 44,726,866.06
  5. Step 5: Solve for x
    x = 44,726,866.06/10,292.39
  6. Step 6: Final answer
    x = 4,345.63

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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.