Home / 18,280.72-25,228.38-10,323.28

Finding the Fourth Proportional to 18,280.72, 25,228.38 and 10,323.28

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Solution

The fourth proportional to 18,280.72, 25,228.38 and 10,323.28 is: 14,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.72 : 25,228.38 = 10,323.28 : x
  2. Step 2: Convert to fraction form
    18,280.72/25,228.38 = 10,323.28/x
  3. Step 3: Cross multiply
    18,280.72x = 25,228.38 × 10,323.28
  4. Step 4: Simplify right side
    18,280.72x = 260,439,630.69
  5. Step 5: Solve for x
    x = 260,439,630.69/18,280.72
  6. Step 6: Final answer
    x = 14,246.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.