Home / 15,846.98-21,879.16-11,010.74

Finding the Fourth Proportional to 15,846.98, 21,879.16 and 11,010.74

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Solution

The fourth proportional to 15,846.98, 21,879.16 and 11,010.74 is: 15,202.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,846.98 : 21,879.16 = 11,010.74 : x
  2. Step 2: Convert to fraction form
    15,846.98/21,879.16 = 11,010.74/x
  3. Step 3: Cross multiply
    15,846.98x = 21,879.16 × 11,010.74
  4. Step 4: Simplify right side
    15,846.98x = 240,905,742.18
  5. Step 5: Solve for x
    x = 240,905,742.18/15,846.98
  6. Step 6: Final answer
    x = 15,202.00

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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.