Home / 11,984.07-16,538.02-6,678.87

Finding the Fourth Proportional to 11,984.07, 16,538.02 and 6,678.87

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Solution

The fourth proportional to 11,984.07, 16,538.02 and 6,678.87 is: 9,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.07 : 16,538.02 = 6,678.87 : x
  2. Step 2: Convert to fraction form
    11,984.07/16,538.02 = 6,678.87/x
  3. Step 3: Cross multiply
    11,984.07x = 16,538.02 × 6,678.87
  4. Step 4: Simplify right side
    11,984.07x = 110,455,337.52
  5. Step 5: Solve for x
    x = 110,455,337.52/11,984.07
  6. Step 6: Final answer
    x = 9,216.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.