Home / 10,948.06-15,099.51-9,911.26

Finding the Fourth Proportional to 10,948.06, 15,099.51 and 9,911.26

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Solution

The fourth proportional to 10,948.06, 15,099.51 and 9,911.26 is: 13,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.06 : 15,099.51 = 9,911.26 : x
  2. Step 2: Convert to fraction form
    10,948.06/15,099.51 = 9,911.26/x
  3. Step 3: Cross multiply
    10,948.06x = 15,099.51 × 9,911.26
  4. Step 4: Simplify right side
    10,948.06x = 149,655,169.48
  5. Step 5: Solve for x
    x = 149,655,169.48/10,948.06
  6. Step 6: Final answer
    x = 13,669.56

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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.