Home / 16,981.19-23,434.07-9,908.07

Finding the Fourth Proportional to 16,981.19, 23,434.07 and 9,908.07

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Solution

The fourth proportional to 16,981.19, 23,434.07 and 9,908.07 is: 13,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.19 : 23,434.07 = 9,908.07 : x
  2. Step 2: Convert to fraction form
    16,981.19/23,434.07 = 9,908.07/x
  3. Step 3: Cross multiply
    16,981.19x = 23,434.07 × 9,908.07
  4. Step 4: Simplify right side
    16,981.19x = 232,186,405.94
  5. Step 5: Solve for x
    x = 232,186,405.94/16,981.19
  6. Step 6: Final answer
    x = 13,673.15

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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.