Home / 10,812.11-14,915.42-7,227.93

Finding the Fourth Proportional to 10,812.11, 14,915.42 and 7,227.93

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Solution

The fourth proportional to 10,812.11, 14,915.42 and 7,227.93 is: 9,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.11 : 14,915.42 = 7,227.93 : x
  2. Step 2: Convert to fraction form
    10,812.11/14,915.42 = 7,227.93/x
  3. Step 3: Cross multiply
    10,812.11x = 14,915.42 × 7,227.93
  4. Step 4: Simplify right side
    10,812.11x = 107,807,638.25
  5. Step 5: Solve for x
    x = 107,807,638.25/10,812.11
  6. Step 6: Final answer
    x = 9,971.01

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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.