Home / 15,224.84-21,013.67-9,255.25

Finding the Fourth Proportional to 15,224.84, 21,013.67 and 9,255.25

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Solution

The fourth proportional to 15,224.84, 21,013.67 and 9,255.25 is: 12,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.84 : 21,013.67 = 9,255.25 : x
  2. Step 2: Convert to fraction form
    15,224.84/21,013.67 = 9,255.25/x
  3. Step 3: Cross multiply
    15,224.84x = 21,013.67 × 9,255.25
  4. Step 4: Simplify right side
    15,224.84x = 194,486,739.87
  5. Step 5: Solve for x
    x = 194,486,739.87/15,224.84
  6. Step 6: Final answer
    x = 12,774.30

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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.