Home / 12,090.96-16,671.24-10,316.88

Finding the Fourth Proportional to 12,090.96, 16,671.24 and 10,316.88

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Solution

The fourth proportional to 12,090.96, 16,671.24 and 10,316.88 is: 14,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090.96 : 16,671.24 = 10,316.88 : x
  2. Step 2: Convert to fraction form
    12,090.96/16,671.24 = 10,316.88/x
  3. Step 3: Cross multiply
    12,090.96x = 16,671.24 × 10,316.88
  4. Step 4: Simplify right side
    12,090.96x = 171,995,182.53
  5. Step 5: Solve for x
    x = 171,995,182.53/12,090.96
  6. Step 6: Final answer
    x = 14,225.11

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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.