Home / 9,531.54-13,153.52-5,339.78

Finding the Fourth Proportional to 9,531.54, 13,153.52 and 5,339.78

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Solution

The fourth proportional to 9,531.54, 13,153.52 and 5,339.78 is: 7,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.54 : 13,153.52 = 5,339.78 : x
  2. Step 2: Convert to fraction form
    9,531.54/13,153.52 = 5,339.78/x
  3. Step 3: Cross multiply
    9,531.54x = 13,153.52 × 5,339.78
  4. Step 4: Simplify right side
    9,531.54x = 70,236,903.03
  5. Step 5: Solve for x
    x = 70,236,903.03/9,531.54
  6. Step 6: Final answer
    x = 7,368.89

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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.