Home / 15,314.44-21,133.94-8,600.72

Finding the Fourth Proportional to 15,314.44, 21,133.94 and 8,600.72

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Solution

The fourth proportional to 15,314.44, 21,133.94 and 8,600.72 is: 11,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314.44 : 21,133.94 = 8,600.72 : x
  2. Step 2: Convert to fraction form
    15,314.44/21,133.94 = 8,600.72/x
  3. Step 3: Cross multiply
    15,314.44x = 21,133.94 × 8,600.72
  4. Step 4: Simplify right side
    15,314.44x = 181,767,100.44
  5. Step 5: Solve for x
    x = 181,767,100.44/15,314.44
  6. Step 6: Final answer
    x = 11,869.00

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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.