Home / 21,383.19-32,066.69-12,501.74

Finding the Fourth Proportional to 21,383.19, 32,066.69 and 12,501.74

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Solution

The fourth proportional to 21,383.19, 32,066.69 and 12,501.74 is: 18,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383.19 : 32,066.69 = 12,501.74 : x
  2. Step 2: Convert to fraction form
    21,383.19/32,066.69 = 12,501.74/x
  3. Step 3: Cross multiply
    21,383.19x = 32,066.69 × 12,501.74
  4. Step 4: Simplify right side
    21,383.19x = 400,889,438.70
  5. Step 5: Solve for x
    x = 400,889,438.70/21,383.19
  6. Step 6: Final answer
    x = 18,747.88

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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.