Home / 21,670.34-29,896.59-12,594.18

Finding the Fourth Proportional to 21,670.34, 29,896.59 and 12,594.18

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Solution

The fourth proportional to 21,670.34, 29,896.59 and 12,594.18 is: 17,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.34 : 29,896.59 = 12,594.18 : x
  2. Step 2: Convert to fraction form
    21,670.34/29,896.59 = 12,594.18/x
  3. Step 3: Cross multiply
    21,670.34x = 29,896.59 × 12,594.18
  4. Step 4: Simplify right side
    21,670.34x = 376,523,195.19
  5. Step 5: Solve for x
    x = 376,523,195.19/21,670.34
  6. Step 6: Final answer
    x = 17,375.05

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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.