Home / 21,490.04-29,654.26-12,056.76

Finding the Fourth Proportional to 21,490.04, 29,654.26 and 12,056.76

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Solution

The fourth proportional to 21,490.04, 29,654.26 and 12,056.76 is: 16,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490.04 : 29,654.26 = 12,056.76 : x
  2. Step 2: Convert to fraction form
    21,490.04/29,654.26 = 12,056.76/x
  3. Step 3: Cross multiply
    21,490.04x = 29,654.26 × 12,056.76
  4. Step 4: Simplify right side
    21,490.04x = 357,534,295.80
  5. Step 5: Solve for x
    x = 357,534,295.80/21,490.04
  6. Step 6: Final answer
    x = 16,637.21

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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.