Home / 11,415.28-15,752.73-6,699.46

Finding the Fourth Proportional to 11,415.28, 15,752.73 and 6,699.46

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Solution

The fourth proportional to 11,415.28, 15,752.73 and 6,699.46 is: 9,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,415.28 : 15,752.73 = 6,699.46 : x
  2. Step 2: Convert to fraction form
    11,415.28/15,752.73 = 6,699.46/x
  3. Step 3: Cross multiply
    11,415.28x = 15,752.73 × 6,699.46
  4. Step 4: Simplify right side
    11,415.28x = 105,534,784.53
  5. Step 5: Solve for x
    x = 105,534,784.53/11,415.28
  6. Step 6: Final answer
    x = 9,245.05

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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.