Home / 9,510.76-13,125.30-5,318.68

Finding the Fourth Proportional to 9,510.76, 13,125.30 and 5,318.68

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Solution

The fourth proportional to 9,510.76, 13,125.30 and 5,318.68 is: 7,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,510.76 : 13,125.30 = 5,318.68 : x
  2. Step 2: Convert to fraction form
    9,510.76/13,125.30 = 5,318.68/x
  3. Step 3: Cross multiply
    9,510.76x = 13,125.30 × 5,318.68
  4. Step 4: Simplify right side
    9,510.76x = 69,809,270.60
  5. Step 5: Solve for x
    x = 69,809,270.60/9,510.76
  6. Step 6: Final answer
    x = 7,340.03

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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.