Home / 9,511.26-13,126.23-5,320.86

Finding the Fourth Proportional to 9,511.26, 13,126.23 and 5,320.86

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Solution

The fourth proportional to 9,511.26, 13,126.23 and 5,320.86 is: 7,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.26 : 13,126.23 = 5,320.86 : x
  2. Step 2: Convert to fraction form
    9,511.26/13,126.23 = 5,320.86/x
  3. Step 3: Cross multiply
    9,511.26x = 13,126.23 × 5,320.86
  4. Step 4: Simplify right side
    9,511.26x = 69,842,832.16
  5. Step 5: Solve for x
    x = 69,842,832.16/9,511.26
  6. Step 6: Final answer
    x = 7,343.17

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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.