Home / 12,973.50-19,443.84-8,291.70

Finding the Fourth Proportional to 12,973.50, 19,443.84 and 8,291.70

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Solution

The fourth proportional to 12,973.50, 19,443.84 and 8,291.70 is: 12,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.50 : 19,443.84 = 8,291.70 : x
  2. Step 2: Convert to fraction form
    12,973.50/19,443.84 = 8,291.70/x
  3. Step 3: Cross multiply
    12,973.50x = 19,443.84 × 8,291.70
  4. Step 4: Simplify right side
    12,973.50x = 161,222,488.13
  5. Step 5: Solve for x
    x = 161,222,488.13/12,973.50
  6. Step 6: Final answer
    x = 12,427.06

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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.