Home / 15,541.30-23,311.95-13,305.70

Finding the Fourth Proportional to 15,541.30, 23,311.95 and 13,305.70

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Solution

The fourth proportional to 15,541.30, 23,311.95 and 13,305.70 is: 19,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.30 : 23,311.95 = 13,305.70 : x
  2. Step 2: Convert to fraction form
    15,541.30/23,311.95 = 13,305.70/x
  3. Step 3: Cross multiply
    15,541.30x = 23,311.95 × 13,305.70
  4. Step 4: Simplify right side
    15,541.30x = 310,181,813.12
  5. Step 5: Solve for x
    x = 310,181,813.12/15,541.30
  6. Step 6: Final answer
    x = 19,958.55

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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.