Home / 10,984.01-16,437.70-8,986.55

Finding the Fourth Proportional to 10,984.01, 16,437.70 and 8,986.55

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Solution

The fourth proportional to 10,984.01, 16,437.70 and 8,986.55 is: 13,448.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.01 : 16,437.70 = 8,986.55 : x
  2. Step 2: Convert to fraction form
    10,984.01/16,437.70 = 8,986.55/x
  3. Step 3: Cross multiply
    10,984.01x = 16,437.70 × 8,986.55
  4. Step 4: Simplify right side
    10,984.01x = 147,718,141.98
  5. Step 5: Solve for x
    x = 147,718,141.98/10,984.01
  6. Step 6: Final answer
    x = 13,448.48

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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.