Home / 10,428.56-15,642.76-2,637.36

Finding the Fourth Proportional to 10,428.56, 15,642.76 and 2,637.36

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Solution

The fourth proportional to 10,428.56, 15,642.76 and 2,637.36 is: 3,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.56 : 15,642.76 = 2,637.36 : x
  2. Step 2: Convert to fraction form
    10,428.56/15,642.76 = 2,637.36/x
  3. Step 3: Cross multiply
    10,428.56x = 15,642.76 × 2,637.36
  4. Step 4: Simplify right side
    10,428.56x = 41,255,589.51
  5. Step 5: Solve for x
    x = 41,255,589.51/10,428.56
  6. Step 6: Final answer
    x = 3,956.02

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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.