Home / 11,150.29-15,388.95-6,902.70

Finding the Fourth Proportional to 11,150.29, 15,388.95 and 6,902.70

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Solution

The fourth proportional to 11,150.29, 15,388.95 and 6,902.70 is: 9,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.29 : 15,388.95 = 6,902.70 : x
  2. Step 2: Convert to fraction form
    11,150.29/15,388.95 = 6,902.70/x
  3. Step 3: Cross multiply
    11,150.29x = 15,388.95 × 6,902.70
  4. Step 4: Simplify right side
    11,150.29x = 106,225,228.22
  5. Step 5: Solve for x
    x = 106,225,228.22/11,150.29
  6. Step 6: Final answer
    x = 9,526.68

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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.