Home / 19,720.04-29,409.01-16,817

Finding the Fourth Proportional to 19,720.04, 29,409.01 and 16,817

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Solution

The fourth proportional to 19,720.04, 29,409.01 and 16,817 is: 25,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.04 : 29,409.01 = 16,817 : x
  2. Step 2: Convert to fraction form
    19,720.04/29,409.01 = 16,817/x
  3. Step 3: Cross multiply
    19,720.04x = 29,409.01 × 16,817
  4. Step 4: Simplify right side
    19,720.04x = 494,571,321.17
  5. Step 5: Solve for x
    x = 494,571,321.17/19,720.04
  6. Step 6: Final answer
    x = 25,079.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.