Home / 14,221.80-21,332.70-9,556.20

Finding the Fourth Proportional to 14,221.80, 21,332.70 and 9,556.20

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Solution

The fourth proportional to 14,221.80, 21,332.70 and 9,556.20 is: 14,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.80 : 21,332.70 = 9,556.20 : x
  2. Step 2: Convert to fraction form
    14,221.80/21,332.70 = 9,556.20/x
  3. Step 3: Cross multiply
    14,221.80x = 21,332.70 × 9,556.20
  4. Step 4: Simplify right side
    14,221.80x = 203,859,547.74
  5. Step 5: Solve for x
    x = 203,859,547.74/14,221.80
  6. Step 6: Final answer
    x = 14,334.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.