Home / 15,329.06-21,154.07-8,614.96

Finding the Fourth Proportional to 15,329.06, 21,154.07 and 8,614.96

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Solution

The fourth proportional to 15,329.06, 21,154.07 and 8,614.96 is: 11,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329.06 : 21,154.07 = 8,614.96 : x
  2. Step 2: Convert to fraction form
    15,329.06/21,154.07 = 8,614.96/x
  3. Step 3: Cross multiply
    15,329.06x = 21,154.07 × 8,614.96
  4. Step 4: Simplify right side
    15,329.06x = 182,241,466.89
  5. Step 5: Solve for x
    x = 182,241,466.89/15,329.06
  6. Step 6: Final answer
    x = 11,888.63

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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.