Home / 14,666.80-21,971.40-10,001.20

Finding the Fourth Proportional to 14,666.80, 21,971.40 and 10,001.20

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Solution

The fourth proportional to 14,666.80, 21,971.40 and 10,001.20 is: 14,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.80 : 21,971.40 = 10,001.20 : x
  2. Step 2: Convert to fraction form
    14,666.80/21,971.40 = 10,001.20/x
  3. Step 3: Cross multiply
    14,666.80x = 21,971.40 × 10,001.20
  4. Step 4: Simplify right side
    14,666.80x = 219,740,365.68
  5. Step 5: Solve for x
    x = 219,740,365.68/14,666.80
  6. Step 6: Final answer
    x = 14,982.16

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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.