Home / 10,996.64-16,570.40-9,091.52

Finding the Fourth Proportional to 10,996.64, 16,570.40 and 9,091.52

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Solution

The fourth proportional to 10,996.64, 16,570.40 and 9,091.52 is: 13,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.64 : 16,570.40 = 9,091.52 : x
  2. Step 2: Convert to fraction form
    10,996.64/16,570.40 = 9,091.52/x
  3. Step 3: Cross multiply
    10,996.64x = 16,570.40 × 9,091.52
  4. Step 4: Simplify right side
    10,996.64x = 150,650,123.01
  5. Step 5: Solve for x
    x = 150,650,123.01/10,996.64
  6. Step 6: Final answer
    x = 13,699.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.