Home / 10,224.12-15,349.32-7,885.62

Finding the Fourth Proportional to 10,224.12, 15,349.32 and 7,885.62

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Solution

The fourth proportional to 10,224.12, 15,349.32 and 7,885.62 is: 11,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.12 : 15,349.32 = 7,885.62 : x
  2. Step 2: Convert to fraction form
    10,224.12/15,349.32 = 7,885.62/x
  3. Step 3: Cross multiply
    10,224.12x = 15,349.32 × 7,885.62
  4. Step 4: Simplify right side
    10,224.12x = 121,038,904.78
  5. Step 5: Solve for x
    x = 121,038,904.78/10,224.12
  6. Step 6: Final answer
    x = 11,838.56

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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.