Home / 10,642.29-15,966.51-4,401.14

Finding the Fourth Proportional to 10,642.29, 15,966.51 and 4,401.14

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Solution

The fourth proportional to 10,642.29, 15,966.51 and 4,401.14 is: 6,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.29 : 15,966.51 = 4,401.14 : x
  2. Step 2: Convert to fraction form
    10,642.29/15,966.51 = 4,401.14/x
  3. Step 3: Cross multiply
    10,642.29x = 15,966.51 × 4,401.14
  4. Step 4: Simplify right side
    10,642.29x = 70,270,845.82
  5. Step 5: Solve for x
    x = 70,270,845.82/10,642.29
  6. Step 6: Final answer
    x = 6,602.98

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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.