Home / 15,378.70-23,059.85-7,964.77

Finding the Fourth Proportional to 15,378.70, 23,059.85 and 7,964.77

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Solution

The fourth proportional to 15,378.70, 23,059.85 and 7,964.77 is: 11,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.70 : 23,059.85 = 7,964.77 : x
  2. Step 2: Convert to fraction form
    15,378.70/23,059.85 = 7,964.77/x
  3. Step 3: Cross multiply
    15,378.70x = 23,059.85 × 7,964.77
  4. Step 4: Simplify right side
    15,378.70x = 183,666,420.35
  5. Step 5: Solve for x
    x = 183,666,420.35/15,378.70
  6. Step 6: Final answer
    x = 11,942.91

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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.