Home / 11,133.02-15,354.87-7,154.48

Finding the Fourth Proportional to 11,133.02, 15,354.87 and 7,154.48

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Solution

The fourth proportional to 11,133.02, 15,354.87 and 7,154.48 is: 9,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.02 : 15,354.87 = 7,154.48 : x
  2. Step 2: Convert to fraction form
    11,133.02/15,354.87 = 7,154.48/x
  3. Step 3: Cross multiply
    11,133.02x = 15,354.87 × 7,154.48
  4. Step 4: Simplify right side
    11,133.02x = 109,856,110.32
  5. Step 5: Solve for x
    x = 109,856,110.32/11,133.02
  6. Step 6: Final answer
    x = 9,867.59

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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.