Home / 10,975.08-15,141.78-7,617

Finding the Fourth Proportional to 10,975.08, 15,141.78 and 7,617

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Solution

The fourth proportional to 10,975.08, 15,141.78 and 7,617 is: 10,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.08 : 15,141.78 = 7,617 : x
  2. Step 2: Convert to fraction form
    10,975.08/15,141.78 = 7,617/x
  3. Step 3: Cross multiply
    10,975.08x = 15,141.78 × 7,617
  4. Step 4: Simplify right side
    10,975.08x = 115,334,938.26
  5. Step 5: Solve for x
    x = 115,334,938.26/10,975.08
  6. Step 6: Final answer
    x = 10,508.80

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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.