Home / 10,119.12-15,103.75-9,495.84

Finding the Fourth Proportional to 10,119.12, 15,103.75 and 9,495.84

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Solution

The fourth proportional to 10,119.12, 15,103.75 and 9,495.84 is: 14,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.12 : 15,103.75 = 9,495.84 : x
  2. Step 2: Convert to fraction form
    10,119.12/15,103.75 = 9,495.84/x
  3. Step 3: Cross multiply
    10,119.12x = 15,103.75 × 9,495.84
  4. Step 4: Simplify right side
    10,119.12x = 143,422,793.40
  5. Step 5: Solve for x
    x = 143,422,793.40/10,119.12
  6. Step 6: Final answer
    x = 14,173.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.