Home / 22,947.58-34,431.68-12,405.25

Finding the Fourth Proportional to 22,947.58, 34,431.68 and 12,405.25

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Solution

The fourth proportional to 22,947.58, 34,431.68 and 12,405.25 is: 18,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,947.58 : 34,431.68 = 12,405.25 : x
  2. Step 2: Convert to fraction form
    22,947.58/34,431.68 = 12,405.25/x
  3. Step 3: Cross multiply
    22,947.58x = 34,431.68 × 12,405.25
  4. Step 4: Simplify right side
    22,947.58x = 427,133,426.16
  5. Step 5: Solve for x
    x = 427,133,426.16/22,947.58
  6. Step 6: Final answer
    x = 18,613.45

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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.