Home / 14,688.32-22,014.56-6,886.72

Finding the Fourth Proportional to 14,688.32, 22,014.56 and 6,886.72

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Solution

The fourth proportional to 14,688.32, 22,014.56 and 6,886.72 is: 10,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688.32 : 22,014.56 = 6,886.72 : x
  2. Step 2: Convert to fraction form
    14,688.32/22,014.56 = 6,886.72/x
  3. Step 3: Cross multiply
    14,688.32x = 22,014.56 × 6,886.72
  4. Step 4: Simplify right side
    14,688.32x = 151,608,110.64
  5. Step 5: Solve for x
    x = 151,608,110.64/14,688.32
  6. Step 6: Final answer
    x = 10,321.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.