Home / 10,109.42-15,166.87-5,729.95

Finding the Fourth Proportional to 10,109.42, 15,166.87 and 5,729.95

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Solution

The fourth proportional to 10,109.42, 15,166.87 and 5,729.95 is: 8,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.42 : 15,166.87 = 5,729.95 : x
  2. Step 2: Convert to fraction form
    10,109.42/15,166.87 = 5,729.95/x
  3. Step 3: Cross multiply
    10,109.42x = 15,166.87 × 5,729.95
  4. Step 4: Simplify right side
    10,109.42x = 86,905,354.51
  5. Step 5: Solve for x
    x = 86,905,354.51/10,109.42
  6. Step 6: Final answer
    x = 8,596.48

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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.