Home / 11,352.19-15,664.54-6,315.42

Finding the Fourth Proportional to 11,352.19, 15,664.54 and 6,315.42

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Solution

The fourth proportional to 11,352.19, 15,664.54 and 6,315.42 is: 8,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.19 : 15,664.54 = 6,315.42 : x
  2. Step 2: Convert to fraction form
    11,352.19/15,664.54 = 6,315.42/x
  3. Step 3: Cross multiply
    11,352.19x = 15,664.54 × 6,315.42
  4. Step 4: Simplify right side
    11,352.19x = 98,928,149.21
  5. Step 5: Solve for x
    x = 98,928,149.21/11,352.19
  6. Step 6: Final answer
    x = 8,714.46

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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.