Home / 15,224.88-21,010.48-8,937.36

Finding the Fourth Proportional to 15,224.88, 21,010.48 and 8,937.36

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Solution

The fourth proportional to 15,224.88, 21,010.48 and 8,937.36 is: 12,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.88 : 21,010.48 = 8,937.36 : x
  2. Step 2: Convert to fraction form
    15,224.88/21,010.48 = 8,937.36/x
  3. Step 3: Cross multiply
    15,224.88x = 21,010.48 × 8,937.36
  4. Step 4: Simplify right side
    15,224.88x = 187,778,223.53
  5. Step 5: Solve for x
    x = 187,778,223.53/15,224.88
  6. Step 6: Final answer
    x = 12,333.64

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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.