Home / 9,511.53-13,125.56-5,319.51

Finding the Fourth Proportional to 9,511.53, 13,125.56 and 5,319.51

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Solution

The fourth proportional to 9,511.53, 13,125.56 and 5,319.51 is: 7,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.53 : 13,125.56 = 5,319.51 : x
  2. Step 2: Convert to fraction form
    9,511.53/13,125.56 = 5,319.51/x
  3. Step 3: Cross multiply
    9,511.53x = 13,125.56 × 5,319.51
  4. Step 4: Simplify right side
    9,511.53x = 69,821,521.08
  5. Step 5: Solve for x
    x = 69,821,521.08/9,511.53
  6. Step 6: Final answer
    x = 7,340.72

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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.