Home / 21,816.46-30,098.06-12,616.32

Finding the Fourth Proportional to 21,816.46, 30,098.06 and 12,616.32

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Solution

The fourth proportional to 21,816.46, 30,098.06 and 12,616.32 is: 17,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816.46 : 30,098.06 = 12,616.32 : x
  2. Step 2: Convert to fraction form
    21,816.46/30,098.06 = 12,616.32/x
  3. Step 3: Cross multiply
    21,816.46x = 30,098.06 × 12,616.32
  4. Step 4: Simplify right side
    21,816.46x = 379,726,756.34
  5. Step 5: Solve for x
    x = 379,726,756.34/21,816.46
  6. Step 6: Final answer
    x = 17,405.52

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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.