Home / 10,893.07-15,035.61-7,116.81

Finding the Fourth Proportional to 10,893.07, 15,035.61 and 7,116.81

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Solution

The fourth proportional to 10,893.07, 15,035.61 and 7,116.81 is: 9,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.07 : 15,035.61 = 7,116.81 : x
  2. Step 2: Convert to fraction form
    10,893.07/15,035.61 = 7,116.81/x
  3. Step 3: Cross multiply
    10,893.07x = 15,035.61 × 7,116.81
  4. Step 4: Simplify right side
    10,893.07x = 107,005,579.60
  5. Step 5: Solve for x
    x = 107,005,579.60/10,893.07
  6. Step 6: Final answer
    x = 9,823.27

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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.