Home / 15,010.89-22,515.51-7,615.16

Finding the Fourth Proportional to 15,010.89, 22,515.51 and 7,615.16

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Solution

The fourth proportional to 15,010.89, 22,515.51 and 7,615.16 is: 11,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.89 : 22,515.51 = 7,615.16 : x
  2. Step 2: Convert to fraction form
    15,010.89/22,515.51 = 7,615.16/x
  3. Step 3: Cross multiply
    15,010.89x = 22,515.51 × 7,615.16
  4. Step 4: Simplify right side
    15,010.89x = 171,459,098.55
  5. Step 5: Solve for x
    x = 171,459,098.55/15,010.89
  6. Step 6: Final answer
    x = 11,422.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.