Home / 14,992.10-20,688.80-8,277.32

Finding the Fourth Proportional to 14,992.10, 20,688.80 and 8,277.32

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Solution

The fourth proportional to 14,992.10, 20,688.80 and 8,277.32 is: 11,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,992.10 : 20,688.80 = 8,277.32 : x
  2. Step 2: Convert to fraction form
    14,992.10/20,688.80 = 8,277.32/x
  3. Step 3: Cross multiply
    14,992.10x = 20,688.80 × 8,277.32
  4. Step 4: Simplify right side
    14,992.10x = 171,247,818.02
  5. Step 5: Solve for x
    x = 171,247,818.02/14,992.10
  6. Step 6: Final answer
    x = 11,422.54

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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.