Home / 12,973.48-19,443.80-8,291.68

Finding the Fourth Proportional to 12,973.48, 19,443.80 and 8,291.68

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Solution

The fourth proportional to 12,973.48, 19,443.80 and 8,291.68 is: 12,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.48 : 19,443.80 = 8,291.68 : x
  2. Step 2: Convert to fraction form
    12,973.48/19,443.80 = 8,291.68/x
  3. Step 3: Cross multiply
    12,973.48x = 19,443.80 × 8,291.68
  4. Step 4: Simplify right side
    12,973.48x = 161,221,767.58
  5. Step 5: Solve for x
    x = 161,221,767.58/12,973.48
  6. Step 6: Final answer
    x = 12,427.03

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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.