Home / 9,510.87-13,124.92-5,319.12

Finding the Fourth Proportional to 9,510.87, 13,124.92 and 5,319.12

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Solution

The fourth proportional to 9,510.87, 13,124.92 and 5,319.12 is: 7,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,510.87 : 13,124.92 = 5,319.12 : x
  2. Step 2: Convert to fraction form
    9,510.87/13,124.92 = 5,319.12/x
  3. Step 3: Cross multiply
    9,510.87x = 13,124.92 × 5,319.12
  4. Step 4: Simplify right side
    9,510.87x = 69,813,024.47
  5. Step 5: Solve for x
    x = 69,813,024.47/9,510.87
  6. Step 6: Final answer
    x = 7,340.34

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Double scale
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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.