Home / 16,206.36-22,364.40-9,132.78

Finding the Fourth Proportional to 16,206.36, 22,364.40 and 9,132.78

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Solution

The fourth proportional to 16,206.36, 22,364.40 and 9,132.78 is: 12,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,206.36 : 22,364.40 = 9,132.78 : x
  2. Step 2: Convert to fraction form
    16,206.36/22,364.40 = 9,132.78/x
  3. Step 3: Cross multiply
    16,206.36x = 22,364.40 × 9,132.78
  4. Step 4: Simplify right side
    16,206.36x = 204,249,145.03
  5. Step 5: Solve for x
    x = 204,249,145.03/16,206.36
  6. Step 6: Final answer
    x = 12,603.02

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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.