Home / 9,530.18-13,151.80-5,551.20

Finding the Fourth Proportional to 9,530.18, 13,151.80 and 5,551.20

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Solution

The fourth proportional to 9,530.18, 13,151.80 and 5,551.20 is: 7,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,530.18 : 13,151.80 = 5,551.20 : x
  2. Step 2: Convert to fraction form
    9,530.18/13,151.80 = 5,551.20/x
  3. Step 3: Cross multiply
    9,530.18x = 13,151.80 × 5,551.20
  4. Step 4: Simplify right side
    9,530.18x = 73,008,272.16
  5. Step 5: Solve for x
    x = 73,008,272.16/9,530.18
  6. Step 6: Final answer
    x = 7,660.74

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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.