Home / 13,340.64-19,915.72-11,591.52

Finding the Fourth Proportional to 13,340.64, 19,915.72 and 11,591.52

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Solution

The fourth proportional to 13,340.64, 19,915.72 and 11,591.52 is: 17,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.64 : 19,915.72 = 11,591.52 : x
  2. Step 2: Convert to fraction form
    13,340.64/19,915.72 = 11,591.52/x
  3. Step 3: Cross multiply
    13,340.64x = 19,915.72 × 11,591.52
  4. Step 4: Simplify right side
    13,340.64x = 230,853,466.69
  5. Step 5: Solve for x
    x = 230,853,466.69/13,340.64
  6. Step 6: Final answer
    x = 17,304.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.