Home / 14,002.67-21,003.87-6,603.05

Finding the Fourth Proportional to 14,002.67, 21,003.87 and 6,603.05

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Solution

The fourth proportional to 14,002.67, 21,003.87 and 6,603.05 is: 9,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.67 : 21,003.87 = 6,603.05 : x
  2. Step 2: Convert to fraction form
    14,002.67/21,003.87 = 6,603.05/x
  3. Step 3: Cross multiply
    14,002.67x = 21,003.87 × 6,603.05
  4. Step 4: Simplify right side
    14,002.67x = 138,689,603.80
  5. Step 5: Solve for x
    x = 138,689,603.80/14,002.67
  6. Step 6: Final answer
    x = 9,904.51

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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.