Home / 22,681.63-31,298.87-12,609.46

Finding the Fourth Proportional to 22,681.63, 31,298.87 and 12,609.46

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Solution

The fourth proportional to 22,681.63, 31,298.87 and 12,609.46 is: 17,400.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681.63 : 31,298.87 = 12,609.46 : x
  2. Step 2: Convert to fraction form
    22,681.63/31,298.87 = 12,609.46/x
  3. Step 3: Cross multiply
    22,681.63x = 31,298.87 × 12,609.46
  4. Step 4: Simplify right side
    22,681.63x = 394,661,692.82
  5. Step 5: Solve for x
    x = 394,661,692.82/22,681.63
  6. Step 6: Final answer
    x = 17,400.06

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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.