Home / 9,511.68-13,126.48-5,319.92

Finding the Fourth Proportional to 9,511.68, 13,126.48 and 5,319.92

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Solution

The fourth proportional to 9,511.68, 13,126.48 and 5,319.92 is: 7,341.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.68 : 13,126.48 = 5,319.92 : x
  2. Step 2: Convert to fraction form
    9,511.68/13,126.48 = 5,319.92/x
  3. Step 3: Cross multiply
    9,511.68x = 13,126.48 × 5,319.92
  4. Step 4: Simplify right side
    9,511.68x = 69,831,823.48
  5. Step 5: Solve for x
    x = 69,831,823.48/9,511.68
  6. Step 6: Final answer
    x = 7,341.69

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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.