Home / 10,822.55-16,220.77-5,267.57

Finding the Fourth Proportional to 10,822.55, 16,220.77 and 5,267.57

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Solution

The fourth proportional to 10,822.55, 16,220.77 and 5,267.57 is: 7,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.55 : 16,220.77 = 5,267.57 : x
  2. Step 2: Convert to fraction form
    10,822.55/16,220.77 = 5,267.57/x
  3. Step 3: Cross multiply
    10,822.55x = 16,220.77 × 5,267.57
  4. Step 4: Simplify right side
    10,822.55x = 85,444,068.81
  5. Step 5: Solve for x
    x = 85,444,068.81/10,822.55
  6. Step 6: Final answer
    x = 7,895.00

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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.