Home / 10,026.68-15,039.95-7,837.25

Finding the Fourth Proportional to 10,026.68, 15,039.95 and 7,837.25

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Solution

The fourth proportional to 10,026.68, 15,039.95 and 7,837.25 is: 11,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,026.68 : 15,039.95 = 7,837.25 : x
  2. Step 2: Convert to fraction form
    10,026.68/15,039.95 = 7,837.25/x
  3. Step 3: Cross multiply
    10,026.68x = 15,039.95 × 7,837.25
  4. Step 4: Simplify right side
    10,026.68x = 117,871,848.14
  5. Step 5: Solve for x
    x = 117,871,848.14/10,026.68
  6. Step 6: Final answer
    x = 11,755.82

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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.