Home / 21,616.40-29,825.17-12,056.35

Finding the Fourth Proportional to 21,616.40, 29,825.17 and 12,056.35

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Solution

The fourth proportional to 21,616.40, 29,825.17 and 12,056.35 is: 16,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.40 : 29,825.17 = 12,056.35 : x
  2. Step 2: Convert to fraction form
    21,616.40/29,825.17 = 12,056.35/x
  3. Step 3: Cross multiply
    21,616.40x = 29,825.17 × 12,056.35
  4. Step 4: Simplify right side
    21,616.40x = 359,582,688.07
  5. Step 5: Solve for x
    x = 359,582,688.07/21,616.40
  6. Step 6: Final answer
    x = 16,634.72

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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.