Home / 9,228.72-13,830.12-5,327.76

Finding the Fourth Proportional to 9,228.72, 13,830.12 and 5,327.76

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Solution

The fourth proportional to 9,228.72, 13,830.12 and 5,327.76 is: 7,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.72 : 13,830.12 = 5,327.76 : x
  2. Step 2: Convert to fraction form
    9,228.72/13,830.12 = 5,327.76/x
  3. Step 3: Cross multiply
    9,228.72x = 13,830.12 × 5,327.76
  4. Step 4: Simplify right side
    9,228.72x = 73,683,560.13
  5. Step 5: Solve for x
    x = 73,683,560.13/9,228.72
  6. Step 6: Final answer
    x = 7,984.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.