Home / 20,071.08-27,699.06-12,113.16

Finding the Fourth Proportional to 20,071.08, 27,699.06 and 12,113.16

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Solution

The fourth proportional to 20,071.08, 27,699.06 and 12,113.16 is: 16,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.08 : 27,699.06 = 12,113.16 : x
  2. Step 2: Convert to fraction form
    20,071.08/27,699.06 = 12,113.16/x
  3. Step 3: Cross multiply
    20,071.08x = 27,699.06 × 12,113.16
  4. Step 4: Simplify right side
    20,071.08x = 335,523,145.63
  5. Step 5: Solve for x
    x = 335,523,145.63/20,071.08
  6. Step 6: Final answer
    x = 16,716.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.