Home / 9,301.92-12,826.19-7,172.63

Finding the Fourth Proportional to 9,301.92, 12,826.19 and 7,172.63

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Solution

The fourth proportional to 9,301.92, 12,826.19 and 7,172.63 is: 9,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301.92 : 12,826.19 = 7,172.63 : x
  2. Step 2: Convert to fraction form
    9,301.92/12,826.19 = 7,172.63/x
  3. Step 3: Cross multiply
    9,301.92x = 12,826.19 × 7,172.63
  4. Step 4: Simplify right side
    9,301.92x = 91,997,479.32
  5. Step 5: Solve for x
    x = 91,997,479.32/9,301.92
  6. Step 6: Final answer
    x = 9,890.16

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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.