Home / 16,860.40-23,265.70-9,786.14

Finding the Fourth Proportional to 16,860.40, 23,265.70 and 9,786.14

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Solution

The fourth proportional to 16,860.40, 23,265.70 and 9,786.14 is: 13,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.40 : 23,265.70 = 9,786.14 : x
  2. Step 2: Convert to fraction form
    16,860.40/23,265.70 = 9,786.14/x
  3. Step 3: Cross multiply
    16,860.40x = 23,265.70 × 9,786.14
  4. Step 4: Simplify right side
    16,860.40x = 227,681,397.40
  5. Step 5: Solve for x
    x = 227,681,397.40/16,860.40
  6. Step 6: Final answer
    x = 13,503.91

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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.