Home / 19,182.84-26,462.22-12,459.48

Finding the Fourth Proportional to 19,182.84, 26,462.22 and 12,459.48

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Solution

The fourth proportional to 19,182.84, 26,462.22 and 12,459.48 is: 17,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.84 : 26,462.22 = 12,459.48 : x
  2. Step 2: Convert to fraction form
    19,182.84/26,462.22 = 12,459.48/x
  3. Step 3: Cross multiply
    19,182.84x = 26,462.22 × 12,459.48
  4. Step 4: Simplify right side
    19,182.84x = 329,705,500.85
  5. Step 5: Solve for x
    x = 329,705,500.85/19,182.84
  6. Step 6: Final answer
    x = 17,187.52

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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.