Home / 10,135.62-15,195.60-6,430.14

Finding the Fourth Proportional to 10,135.62, 15,195.60 and 6,430.14

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Solution

The fourth proportional to 10,135.62, 15,195.60 and 6,430.14 is: 9,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.62 : 15,195.60 = 6,430.14 : x
  2. Step 2: Convert to fraction form
    10,135.62/15,195.60 = 6,430.14/x
  3. Step 3: Cross multiply
    10,135.62x = 15,195.60 × 6,430.14
  4. Step 4: Simplify right side
    10,135.62x = 97,709,835.38
  5. Step 5: Solve for x
    x = 97,709,835.38/10,135.62
  6. Step 6: Final answer
    x = 9,640.24

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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.