Home / 10,218.09-15,307.70-5,822.22

Finding the Fourth Proportional to 10,218.09, 15,307.70 and 5,822.22

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Solution

The fourth proportional to 10,218.09, 15,307.70 and 5,822.22 is: 8,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.09 : 15,307.70 = 5,822.22 : x
  2. Step 2: Convert to fraction form
    10,218.09/15,307.70 = 5,822.22/x
  3. Step 3: Cross multiply
    10,218.09x = 15,307.70 × 5,822.22
  4. Step 4: Simplify right side
    10,218.09x = 89,124,767.98
  5. Step 5: Solve for x
    x = 89,124,767.98/10,218.09
  6. Step 6: Final answer
    x = 8,722.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.