Home / 10,085.28-15,117.60-3,506.06

Finding the Fourth Proportional to 10,085.28, 15,117.60 and 3,506.06

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Solution

The fourth proportional to 10,085.28, 15,117.60 and 3,506.06 is: 5,255.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.28 : 15,117.60 = 3,506.06 : x
  2. Step 2: Convert to fraction form
    10,085.28/15,117.60 = 3,506.06/x
  3. Step 3: Cross multiply
    10,085.28x = 15,117.60 × 3,506.06
  4. Step 4: Simplify right side
    10,085.28x = 53,003,212.66
  5. Step 5: Solve for x
    x = 53,003,212.66/10,085.28
  6. Step 6: Final answer
    x = 5,255.50

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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.