Home / 16,998.42-23,459.30-9,927.12

Finding the Fourth Proportional to 16,998.42, 23,459.30 and 9,927.12

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Solution

The fourth proportional to 16,998.42, 23,459.30 and 9,927.12 is: 13,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998.42 : 23,459.30 = 9,927.12 : x
  2. Step 2: Convert to fraction form
    16,998.42/23,459.30 = 9,927.12/x
  3. Step 3: Cross multiply
    16,998.42x = 23,459.30 × 9,927.12
  4. Step 4: Simplify right side
    16,998.42x = 232,883,119.28
  5. Step 5: Solve for x
    x = 232,883,119.28/16,998.42
  6. Step 6: Final answer
    x = 13,700.28

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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.