Home / 13,699.13-20,548.80-4,338.95

Finding the Fourth Proportional to 13,699.13, 20,548.80 and 4,338.95

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Solution

The fourth proportional to 13,699.13, 20,548.80 and 4,338.95 is: 6,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.13 : 20,548.80 = 4,338.95 : x
  2. Step 2: Convert to fraction form
    13,699.13/20,548.80 = 4,338.95/x
  3. Step 3: Cross multiply
    13,699.13x = 20,548.80 × 4,338.95
  4. Step 4: Simplify right side
    13,699.13x = 89,160,113.02
  5. Step 5: Solve for x
    x = 89,160,113.02/13,699.13
  6. Step 6: Final answer
    x = 6,508.45

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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.