Home / 10,134.69-15,184.59-9,107.50

Finding the Fourth Proportional to 10,134.69, 15,184.59 and 9,107.50

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Solution

The fourth proportional to 10,134.69, 15,184.59 and 9,107.50 is: 13,645.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.69 : 15,184.59 = 9,107.50 : x
  2. Step 2: Convert to fraction form
    10,134.69/15,184.59 = 9,107.50/x
  3. Step 3: Cross multiply
    10,134.69x = 15,184.59 × 9,107.50
  4. Step 4: Simplify right side
    10,134.69x = 138,293,653.43
  5. Step 5: Solve for x
    x = 138,293,653.43/10,134.69
  6. Step 6: Final answer
    x = 13,645.57

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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.