Home / 21,448.17-29,598.48-12,016.80

Finding the Fourth Proportional to 21,448.17, 29,598.48 and 12,016.80

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Solution

The fourth proportional to 21,448.17, 29,598.48 and 12,016.80 is: 16,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.17 : 29,598.48 = 12,016.80 : x
  2. Step 2: Convert to fraction form
    21,448.17/29,598.48 = 12,016.80/x
  3. Step 3: Cross multiply
    21,448.17x = 29,598.48 × 12,016.80
  4. Step 4: Simplify right side
    21,448.17x = 355,679,014.46
  5. Step 5: Solve for x
    x = 355,679,014.46/21,448.17
  6. Step 6: Final answer
    x = 16,583.19

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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.