Home / 10,203.48-15,305.20-4,356.36

Finding the Fourth Proportional to 10,203.48, 15,305.20 and 4,356.36

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Solution

The fourth proportional to 10,203.48, 15,305.20 and 4,356.36 is: 6,534.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.48 : 15,305.20 = 4,356.36 : x
  2. Step 2: Convert to fraction form
    10,203.48/15,305.20 = 4,356.36/x
  3. Step 3: Cross multiply
    10,203.48x = 15,305.20 × 4,356.36
  4. Step 4: Simplify right side
    10,203.48x = 66,674,961.07
  5. Step 5: Solve for x
    x = 66,674,961.07/10,203.48
  6. Step 6: Final answer
    x = 6,534.53

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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.