Home / 13,499.93-20,248.95-3,638.99

Finding the Fourth Proportional to 13,499.93, 20,248.95 and 3,638.99

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Solution

The fourth proportional to 13,499.93, 20,248.95 and 3,638.99 is: 5,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.93 : 20,248.95 = 3,638.99 : x
  2. Step 2: Convert to fraction form
    13,499.93/20,248.95 = 3,638.99/x
  3. Step 3: Cross multiply
    13,499.93x = 20,248.95 × 3,638.99
  4. Step 4: Simplify right side
    13,499.93x = 73,685,726.56
  5. Step 5: Solve for x
    x = 73,685,726.56/13,499.93
  6. Step 6: Final answer
    x = 5,458.23

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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.