Home / 13,828.02-20,739.99-6,806.17

Finding the Fourth Proportional to 13,828.02, 20,739.99 and 6,806.17

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Solution

The fourth proportional to 13,828.02, 20,739.99 and 6,806.17 is: 10,208.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.02 : 20,739.99 = 6,806.17 : x
  2. Step 2: Convert to fraction form
    13,828.02/20,739.99 = 6,806.17/x
  3. Step 3: Cross multiply
    13,828.02x = 20,739.99 × 6,806.17
  4. Step 4: Simplify right side
    13,828.02x = 141,159,897.74
  5. Step 5: Solve for x
    x = 141,159,897.74/13,828.02
  6. Step 6: Final answer
    x = 10,208.25

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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.