Home / 13,327.12-19,984.88-7,085.68

Finding the Fourth Proportional to 13,327.12, 19,984.88 and 7,085.68

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Solution

The fourth proportional to 13,327.12, 19,984.88 and 7,085.68 is: 10,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.12 : 19,984.88 = 7,085.68 : x
  2. Step 2: Convert to fraction form
    13,327.12/19,984.88 = 7,085.68/x
  3. Step 3: Cross multiply
    13,327.12x = 19,984.88 × 7,085.68
  4. Step 4: Simplify right side
    13,327.12x = 141,606,464.52
  5. Step 5: Solve for x
    x = 141,606,464.52/13,327.12
  6. Step 6: Final answer
    x = 10,625.44

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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.