Home / 14,004.02-21,003.15-6,605.30

Finding the Fourth Proportional to 14,004.02, 21,003.15 and 6,605.30

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Solution

The fourth proportional to 14,004.02, 21,003.15 and 6,605.30 is: 9,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.02 : 21,003.15 = 6,605.30 : x
  2. Step 2: Convert to fraction form
    14,004.02/21,003.15 = 6,605.30/x
  3. Step 3: Cross multiply
    14,004.02x = 21,003.15 × 6,605.30
  4. Step 4: Simplify right side
    14,004.02x = 138,732,106.70
  5. Step 5: Solve for x
    x = 138,732,106.70/14,004.02
  6. Step 6: Final answer
    x = 9,906.59

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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.