Home / 15,217.89-21,014.04-9,562.45

Finding the Fourth Proportional to 15,217.89, 21,014.04 and 9,562.45

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Solution

The fourth proportional to 15,217.89, 21,014.04 and 9,562.45 is: 13,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.89 : 21,014.04 = 9,562.45 : x
  2. Step 2: Convert to fraction form
    15,217.89/21,014.04 = 9,562.45/x
  3. Step 3: Cross multiply
    15,217.89x = 21,014.04 × 9,562.45
  4. Step 4: Simplify right side
    15,217.89x = 200,945,706.80
  5. Step 5: Solve for x
    x = 200,945,706.80/15,217.89
  6. Step 6: Final answer
    x = 13,204.57

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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.