Home / 19,147.77-28,741.08-12,110.49

Finding the Fourth Proportional to 19,147.77, 28,741.08 and 12,110.49

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Solution

The fourth proportional to 19,147.77, 28,741.08 and 12,110.49 is: 18,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.77 : 28,741.08 = 12,110.49 : x
  2. Step 2: Convert to fraction form
    19,147.77/28,741.08 = 12,110.49/x
  3. Step 3: Cross multiply
    19,147.77x = 28,741.08 × 12,110.49
  4. Step 4: Simplify right side
    19,147.77x = 348,068,561.93
  5. Step 5: Solve for x
    x = 348,068,561.93/19,147.77
  6. Step 6: Final answer
    x = 18,178.02

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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.