Home / 15,377.03-21,225.09-9,637.52

Finding the Fourth Proportional to 15,377.03, 21,225.09 and 9,637.52

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Solution

The fourth proportional to 15,377.03, 21,225.09 and 9,637.52 is: 13,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377.03 : 21,225.09 = 9,637.52 : x
  2. Step 2: Convert to fraction form
    15,377.03/21,225.09 = 9,637.52/x
  3. Step 3: Cross multiply
    15,377.03x = 21,225.09 × 9,637.52
  4. Step 4: Simplify right side
    15,377.03x = 204,557,123.25
  5. Step 5: Solve for x
    x = 204,557,123.25/15,377.03
  6. Step 6: Final answer
    x = 13,302.78

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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.