Home / 16,101.60-22,221.72-9,386.70

Finding the Fourth Proportional to 16,101.60, 22,221.72 and 9,386.70

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Solution

The fourth proportional to 16,101.60, 22,221.72 and 9,386.70 is: 12,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.60 : 22,221.72 = 9,386.70 : x
  2. Step 2: Convert to fraction form
    16,101.60/22,221.72 = 9,386.70/x
  3. Step 3: Cross multiply
    16,101.60x = 22,221.72 × 9,386.70
  4. Step 4: Simplify right side
    16,101.60x = 208,588,619.12
  5. Step 5: Solve for x
    x = 208,588,619.12/16,101.60
  6. Step 6: Final answer
    x = 12,954.53

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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.