Home / 10,134.99-15,191.93-4,215.11

Finding the Fourth Proportional to 10,134.99, 15,191.93 and 4,215.11

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Solution

The fourth proportional to 10,134.99, 15,191.93 and 4,215.11 is: 6,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.99 : 15,191.93 = 4,215.11 : x
  2. Step 2: Convert to fraction form
    10,134.99/15,191.93 = 4,215.11/x
  3. Step 3: Cross multiply
    10,134.99x = 15,191.93 × 4,215.11
  4. Step 4: Simplify right side
    10,134.99x = 64,035,590.64
  5. Step 5: Solve for x
    x = 64,035,590.64/10,134.99
  6. Step 6: Final answer
    x = 6,318.27

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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.