Home / 10,102.23-15,138.63-5,697.18

Finding the Fourth Proportional to 10,102.23, 15,138.63 and 5,697.18

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Solution

The fourth proportional to 10,102.23, 15,138.63 and 5,697.18 is: 8,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.23 : 15,138.63 = 5,697.18 : x
  2. Step 2: Convert to fraction form
    10,102.23/15,138.63 = 5,697.18/x
  3. Step 3: Cross multiply
    10,102.23x = 15,138.63 × 5,697.18
  4. Step 4: Simplify right side
    10,102.23x = 86,247,500.06
  5. Step 5: Solve for x
    x = 86,247,500.06/10,102.23
  6. Step 6: Final answer
    x = 8,537.47

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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.