Home / 15,353.53-23,030.30-8,471.77

Finding the Fourth Proportional to 15,353.53, 23,030.30 and 8,471.77

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Solution

The fourth proportional to 15,353.53, 23,030.30 and 8,471.77 is: 12,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.53 : 23,030.30 = 8,471.77 : x
  2. Step 2: Convert to fraction form
    15,353.53/23,030.30 = 8,471.77/x
  3. Step 3: Cross multiply
    15,353.53x = 23,030.30 × 8,471.77
  4. Step 4: Simplify right side
    15,353.53x = 195,107,304.70
  5. Step 5: Solve for x
    x = 195,107,304.70/15,353.53
  6. Step 6: Final answer
    x = 12,707.65

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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.