Home / 10,203.98-15,291.36-5,812.36

Finding the Fourth Proportional to 10,203.98, 15,291.36 and 5,812.36

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Solution

The fourth proportional to 10,203.98, 15,291.36 and 5,812.36 is: 8,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.98 : 15,291.36 = 5,812.36 : x
  2. Step 2: Convert to fraction form
    10,203.98/15,291.36 = 5,812.36/x
  3. Step 3: Cross multiply
    10,203.98x = 15,291.36 × 5,812.36
  4. Step 4: Simplify right side
    10,203.98x = 88,878,850.98
  5. Step 5: Solve for x
    x = 88,878,850.98/10,203.98
  6. Step 6: Final answer
    x = 8,710.22

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1.5x scale

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.