Home / 15,574.70-23,313.45-12,269.90

Finding the Fourth Proportional to 15,574.70, 23,313.45 and 12,269.90

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Solution

The fourth proportional to 15,574.70, 23,313.45 and 12,269.90 is: 18,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.70 : 23,313.45 = 12,269.90 : x
  2. Step 2: Convert to fraction form
    15,574.70/23,313.45 = 12,269.90/x
  3. Step 3: Cross multiply
    15,574.70x = 23,313.45 × 12,269.90
  4. Step 4: Simplify right side
    15,574.70x = 286,053,700.16
  5. Step 5: Solve for x
    x = 286,053,700.16/15,574.70
  6. Step 6: Final answer
    x = 18,366.56

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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.