Home / 11,127.12-15,353.93-6,410.49

Finding the Fourth Proportional to 11,127.12, 15,353.93 and 6,410.49

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Solution

The fourth proportional to 11,127.12, 15,353.93 and 6,410.49 is: 8,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.12 : 15,353.93 = 6,410.49 : x
  2. Step 2: Convert to fraction form
    11,127.12/15,353.93 = 6,410.49/x
  3. Step 3: Cross multiply
    11,127.12x = 15,353.93 × 6,410.49
  4. Step 4: Simplify right side
    11,127.12x = 98,426,182.67
  5. Step 5: Solve for x
    x = 98,426,182.67/11,127.12
  6. Step 6: Final answer
    x = 8,845.61

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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.