Home / 10,666.12-16,009.02-5,404.84

Finding the Fourth Proportional to 10,666.12, 16,009.02 and 5,404.84

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Solution

The fourth proportional to 10,666.12, 16,009.02 and 5,404.84 is: 8,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.12 : 16,009.02 = 5,404.84 : x
  2. Step 2: Convert to fraction form
    10,666.12/16,009.02 = 5,404.84/x
  3. Step 3: Cross multiply
    10,666.12x = 16,009.02 × 5,404.84
  4. Step 4: Simplify right side
    10,666.12x = 86,526,191.66
  5. Step 5: Solve for x
    x = 86,526,191.66/10,666.12
  6. Step 6: Final answer
    x = 8,112.25

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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.