Home / 9,353.52-12,908.48-5,376.21

Finding the Fourth Proportional to 9,353.52, 12,908.48 and 5,376.21

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Solution

The fourth proportional to 9,353.52, 12,908.48 and 5,376.21 is: 7,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.52 : 12,908.48 = 5,376.21 : x
  2. Step 2: Convert to fraction form
    9,353.52/12,908.48 = 5,376.21/x
  3. Step 3: Cross multiply
    9,353.52x = 12,908.48 × 5,376.21
  4. Step 4: Simplify right side
    9,353.52x = 69,398,699.26
  5. Step 5: Solve for x
    x = 69,398,699.26/9,353.52
  6. Step 6: Final answer
    x = 7,419.53

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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.