Home / 16,977.07-23,428.35-9,902.13

Finding the Fourth Proportional to 16,977.07, 23,428.35 and 9,902.13

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Solution

The fourth proportional to 16,977.07, 23,428.35 and 9,902.13 is: 13,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.07 : 23,428.35 = 9,902.13 : x
  2. Step 2: Convert to fraction form
    16,977.07/23,428.35 = 9,902.13/x
  3. Step 3: Cross multiply
    16,977.07x = 23,428.35 × 9,902.13
  4. Step 4: Simplify right side
    16,977.07x = 231,990,567.39
  5. Step 5: Solve for x
    x = 231,990,567.39/16,977.07
  6. Step 6: Final answer
    x = 13,664.94

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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.