Home / 15,265.82-21,068.70-9,298.36

Finding the Fourth Proportional to 15,265.82, 21,068.70 and 9,298.36

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Solution

The fourth proportional to 15,265.82, 21,068.70 and 9,298.36 is: 12,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.82 : 21,068.70 = 9,298.36 : x
  2. Step 2: Convert to fraction form
    15,265.82/21,068.70 = 9,298.36/x
  3. Step 3: Cross multiply
    15,265.82x = 21,068.70 × 9,298.36
  4. Step 4: Simplify right side
    15,265.82x = 195,904,357.33
  5. Step 5: Solve for x
    x = 195,904,357.33/15,265.82
  6. Step 6: Final answer
    x = 12,832.87

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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.