Home / 13,279.13-19,915.96-4,957.59

Finding the Fourth Proportional to 13,279.13, 19,915.96 and 4,957.59

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Solution

The fourth proportional to 13,279.13, 19,915.96 and 4,957.59 is: 7,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.13 : 19,915.96 = 4,957.59 : x
  2. Step 2: Convert to fraction form
    13,279.13/19,915.96 = 4,957.59/x
  3. Step 3: Cross multiply
    13,279.13x = 19,915.96 × 4,957.59
  4. Step 4: Simplify right side
    13,279.13x = 98,735,164.14
  5. Step 5: Solve for x
    x = 98,735,164.14/13,279.13
  6. Step 6: Final answer
    x = 7,435.36

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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.