Home / 21,654.32-29,884.29-12,094.20

Finding the Fourth Proportional to 21,654.32, 29,884.29 and 12,094.20

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Solution

The fourth proportional to 21,654.32, 29,884.29 and 12,094.20 is: 16,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.32 : 29,884.29 = 12,094.20 : x
  2. Step 2: Convert to fraction form
    21,654.32/29,884.29 = 12,094.20/x
  3. Step 3: Cross multiply
    21,654.32x = 29,884.29 × 12,094.20
  4. Step 4: Simplify right side
    21,654.32x = 361,426,580.12
  5. Step 5: Solve for x
    x = 361,426,580.12/21,654.32
  6. Step 6: Final answer
    x = 16,690.74

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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.