Home / 10,942.19-15,079.15-7,953.29

Finding the Fourth Proportional to 10,942.19, 15,079.15 and 7,953.29

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Solution

The fourth proportional to 10,942.19, 15,079.15 and 7,953.29 is: 10,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.19 : 15,079.15 = 7,953.29 : x
  2. Step 2: Convert to fraction form
    10,942.19/15,079.15 = 7,953.29/x
  3. Step 3: Cross multiply
    10,942.19x = 15,079.15 × 7,953.29
  4. Step 4: Simplify right side
    10,942.19x = 119,928,737.74
  5. Step 5: Solve for x
    x = 119,928,737.74/10,942.19
  6. Step 6: Final answer
    x = 10,960.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.