Home / 15,239.25-21,032.40-9,269.77

Finding the Fourth Proportional to 15,239.25, 21,032.40 and 9,269.77

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Solution

The fourth proportional to 15,239.25, 21,032.40 and 9,269.77 is: 12,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.25 : 21,032.40 = 9,269.77 : x
  2. Step 2: Convert to fraction form
    15,239.25/21,032.40 = 9,269.77/x
  3. Step 3: Cross multiply
    15,239.25x = 21,032.40 × 9,269.77
  4. Step 4: Simplify right side
    15,239.25x = 194,965,405.39
  5. Step 5: Solve for x
    x = 194,965,405.39/15,239.25
  6. Step 6: Final answer
    x = 12,793.64

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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.