Home / 19,427.03-29,140.50-8,326.52

Finding the Fourth Proportional to 19,427.03, 29,140.50 and 8,326.52

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Solution

The fourth proportional to 19,427.03, 29,140.50 and 8,326.52 is: 12,489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.03 : 29,140.50 = 8,326.52 : x
  2. Step 2: Convert to fraction form
    19,427.03/29,140.50 = 8,326.52/x
  3. Step 3: Cross multiply
    19,427.03x = 29,140.50 × 8,326.52
  4. Step 4: Simplify right side
    19,427.03x = 242,638,956.06
  5. Step 5: Solve for x
    x = 242,638,956.06/19,427.03
  6. Step 6: Final answer
    x = 12,489.76

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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.