Home / 14,731.66-20,328.18-9,066.76

Finding the Fourth Proportional to 14,731.66, 20,328.18 and 9,066.76

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Solution

The fourth proportional to 14,731.66, 20,328.18 and 9,066.76 is: 12,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.66 : 20,328.18 = 9,066.76 : x
  2. Step 2: Convert to fraction form
    14,731.66/20,328.18 = 9,066.76/x
  3. Step 3: Cross multiply
    14,731.66x = 20,328.18 × 9,066.76
  4. Step 4: Simplify right side
    14,731.66x = 184,310,729.30
  5. Step 5: Solve for x
    x = 184,310,729.30/14,731.66
  6. Step 6: Final answer
    x = 12,511.20

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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.