Home / 21,967.05-32,950.59-12,667.86

Finding the Fourth Proportional to 21,967.05, 32,950.59 and 12,667.86

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Solution

The fourth proportional to 21,967.05, 32,950.59 and 12,667.86 is: 19,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.05 : 32,950.59 = 12,667.86 : x
  2. Step 2: Convert to fraction form
    21,967.05/32,950.59 = 12,667.86/x
  3. Step 3: Cross multiply
    21,967.05x = 32,950.59 × 12,667.86
  4. Step 4: Simplify right side
    21,967.05x = 417,413,461.04
  5. Step 5: Solve for x
    x = 417,413,461.04/21,967.05
  6. Step 6: Final answer
    x = 19,001.80

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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.