Home / 15,523.98-21,435.75-10,229.10

Finding the Fourth Proportional to 15,523.98, 21,435.75 and 10,229.10

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Solution

The fourth proportional to 15,523.98, 21,435.75 and 10,229.10 is: 14,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.98 : 21,435.75 = 10,229.10 : x
  2. Step 2: Convert to fraction form
    15,523.98/21,435.75 = 10,229.10/x
  3. Step 3: Cross multiply
    15,523.98x = 21,435.75 × 10,229.10
  4. Step 4: Simplify right side
    15,523.98x = 219,268,430.33
  5. Step 5: Solve for x
    x = 219,268,430.33/15,523.98
  6. Step 6: Final answer
    x = 14,124.50

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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.