Home / 10,912.77-16,338.65-5,897.18

Finding the Fourth Proportional to 10,912.77, 16,338.65 and 5,897.18

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Solution

The fourth proportional to 10,912.77, 16,338.65 and 5,897.18 is: 8,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.77 : 16,338.65 = 5,897.18 : x
  2. Step 2: Convert to fraction form
    10,912.77/16,338.65 = 5,897.18/x
  3. Step 3: Cross multiply
    10,912.77x = 16,338.65 × 5,897.18
  4. Step 4: Simplify right side
    10,912.77x = 96,351,848.83
  5. Step 5: Solve for x
    x = 96,351,848.83/10,912.77
  6. Step 6: Final answer
    x = 8,829.28

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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.