Home / 11,054.40-15,255.36-6,018.81

Finding the Fourth Proportional to 11,054.40, 15,255.36 and 6,018.81

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Solution

The fourth proportional to 11,054.40, 15,255.36 and 6,018.81 is: 8,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.40 : 15,255.36 = 6,018.81 : x
  2. Step 2: Convert to fraction form
    11,054.40/15,255.36 = 6,018.81/x
  3. Step 3: Cross multiply
    11,054.40x = 15,255.36 × 6,018.81
  4. Step 4: Simplify right side
    11,054.40x = 91,819,113.32
  5. Step 5: Solve for x
    x = 91,819,113.32/11,054.40
  6. Step 6: Final answer
    x = 8,306.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.