Home / 14,666.08-21,991.20-5,304.64

Finding the Fourth Proportional to 14,666.08, 21,991.20 and 5,304.64

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Solution

The fourth proportional to 14,666.08, 21,991.20 and 5,304.64 is: 7,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.08 : 21,991.20 = 5,304.64 : x
  2. Step 2: Convert to fraction form
    14,666.08/21,991.20 = 5,304.64/x
  3. Step 3: Cross multiply
    14,666.08x = 21,991.20 × 5,304.64
  4. Step 4: Simplify right side
    14,666.08x = 116,655,399.17
  5. Step 5: Solve for x
    x = 116,655,399.17/14,666.08
  6. Step 6: Final answer
    x = 7,954.10

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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.