Home / 12,227.08-16,888.64-9,428.44

Finding the Fourth Proportional to 12,227.08, 16,888.64 and 9,428.44

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Solution

The fourth proportional to 12,227.08, 16,888.64 and 9,428.44 is: 13,023.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.08 : 16,888.64 = 9,428.44 : x
  2. Step 2: Convert to fraction form
    12,227.08/16,888.64 = 9,428.44/x
  3. Step 3: Cross multiply
    12,227.08x = 16,888.64 × 9,428.44
  4. Step 4: Simplify right side
    12,227.08x = 159,233,528.92
  5. Step 5: Solve for x
    x = 159,233,528.92/12,227.08
  6. Step 6: Final answer
    x = 13,023.02

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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.