Home / 10,259.36-15,388.36-4,018.20

Finding the Fourth Proportional to 10,259.36, 15,388.36 and 4,018.20

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Solution

The fourth proportional to 10,259.36, 15,388.36 and 4,018.20 is: 6,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.36 : 15,388.36 = 4,018.20 : x
  2. Step 2: Convert to fraction form
    10,259.36/15,388.36 = 4,018.20/x
  3. Step 3: Cross multiply
    10,259.36x = 15,388.36 × 4,018.20
  4. Step 4: Simplify right side
    10,259.36x = 61,833,508.15
  5. Step 5: Solve for x
    x = 61,833,508.15/10,259.36
  6. Step 6: Final answer
    x = 6,027.03

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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.