Home / 19,298.12-26,634.27-12,225.20

Finding the Fourth Proportional to 19,298.12, 26,634.27 and 12,225.20

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Solution

The fourth proportional to 19,298.12, 26,634.27 and 12,225.20 is: 16,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.12 : 26,634.27 = 12,225.20 : x
  2. Step 2: Convert to fraction form
    19,298.12/26,634.27 = 12,225.20/x
  3. Step 3: Cross multiply
    19,298.12x = 26,634.27 × 12,225.20
  4. Step 4: Simplify right side
    19,298.12x = 325,609,277.60
  5. Step 5: Solve for x
    x = 325,609,277.60/19,298.12
  6. Step 6: Final answer
    x = 16,872.59

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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.