Home / 15,422.06-21,282.69-9,053.24

Finding the Fourth Proportional to 15,422.06, 21,282.69 and 9,053.24

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Solution

The fourth proportional to 15,422.06, 21,282.69 and 9,053.24 is: 12,493.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422.06 : 21,282.69 = 9,053.24 : x
  2. Step 2: Convert to fraction form
    15,422.06/21,282.69 = 9,053.24/x
  3. Step 3: Cross multiply
    15,422.06x = 21,282.69 × 9,053.24
  4. Step 4: Simplify right side
    15,422.06x = 192,677,300.42
  5. Step 5: Solve for x
    x = 192,677,300.42/15,422.06
  6. Step 6: Final answer
    x = 12,493.62

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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.