Home / 15,407.48-21,252.30-9,436.98

Finding the Fourth Proportional to 15,407.48, 21,252.30 and 9,436.98

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Solution

The fourth proportional to 15,407.48, 21,252.30 and 9,436.98 is: 13,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.48 : 21,252.30 = 9,436.98 : x
  2. Step 2: Convert to fraction form
    15,407.48/21,252.30 = 9,436.98/x
  3. Step 3: Cross multiply
    15,407.48x = 21,252.30 × 9,436.98
  4. Step 4: Simplify right side
    15,407.48x = 200,557,530.05
  5. Step 5: Solve for x
    x = 200,557,530.05/15,407.48
  6. Step 6: Final answer
    x = 13,016.89

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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.