Home / 11,127.46-15,355.02-6,412.12

Finding the Fourth Proportional to 11,127.46, 15,355.02 and 6,412.12

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Solution

The fourth proportional to 11,127.46, 15,355.02 and 6,412.12 is: 8,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.46 : 15,355.02 = 6,412.12 : x
  2. Step 2: Convert to fraction form
    11,127.46/15,355.02 = 6,412.12/x
  3. Step 3: Cross multiply
    11,127.46x = 15,355.02 × 6,412.12
  4. Step 4: Simplify right side
    11,127.46x = 98,458,230.84
  5. Step 5: Solve for x
    x = 98,458,230.84/11,127.46
  6. Step 6: Final answer
    x = 8,848.22

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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.