Home / 23,145.57-34,692.11-10,639.76

Finding the Fourth Proportional to 23,145.57, 34,692.11 and 10,639.76

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Solution

The fourth proportional to 23,145.57, 34,692.11 and 10,639.76 is: 15,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.57 : 34,692.11 = 10,639.76 : x
  2. Step 2: Convert to fraction form
    23,145.57/34,692.11 = 10,639.76/x
  3. Step 3: Cross multiply
    23,145.57x = 34,692.11 × 10,639.76
  4. Step 4: Simplify right side
    23,145.57x = 369,115,724.29
  5. Step 5: Solve for x
    x = 369,115,724.29/23,145.57
  6. Step 6: Final answer
    x = 15,947.58

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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.