Home / 14,061.72-21,103.01-6,666.20

Finding the Fourth Proportional to 14,061.72, 21,103.01 and 6,666.20

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Solution

The fourth proportional to 14,061.72, 21,103.01 and 6,666.20 is: 10,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,061.72 : 21,103.01 = 6,666.20 : x
  2. Step 2: Convert to fraction form
    14,061.72/21,103.01 = 6,666.20/x
  3. Step 3: Cross multiply
    14,061.72x = 21,103.01 × 6,666.20
  4. Step 4: Simplify right side
    14,061.72x = 140,676,885.26
  5. Step 5: Solve for x
    x = 140,676,885.26/14,061.72
  6. Step 6: Final answer
    x = 10,004.24

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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.