Home / 19,801.49-29,702.25-5,010.39

Finding the Fourth Proportional to 19,801.49, 29,702.25 and 5,010.39

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Solution

The fourth proportional to 19,801.49, 29,702.25 and 5,010.39 is: 7,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.49 : 29,702.25 = 5,010.39 : x
  2. Step 2: Convert to fraction form
    19,801.49/29,702.25 = 5,010.39/x
  3. Step 3: Cross multiply
    19,801.49x = 29,702.25 × 5,010.39
  4. Step 4: Simplify right side
    19,801.49x = 148,819,985.21
  5. Step 5: Solve for x
    x = 148,819,985.21/19,801.49
  6. Step 6: Final answer
    x = 7,515.59

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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.