Home / 21,374.91-32,036.08-11,995.24

Finding the Fourth Proportional to 21,374.91, 32,036.08 and 11,995.24

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Solution

The fourth proportional to 21,374.91, 32,036.08 and 11,995.24 is: 17,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.91 : 32,036.08 = 11,995.24 : x
  2. Step 2: Convert to fraction form
    21,374.91/32,036.08 = 11,995.24/x
  3. Step 3: Cross multiply
    21,374.91x = 32,036.08 × 11,995.24
  4. Step 4: Simplify right side
    21,374.91x = 384,280,398.57
  5. Step 5: Solve for x
    x = 384,280,398.57/21,374.91
  6. Step 6: Final answer
    x = 17,978.11

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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.