Home / 16,389.04-24,694.12-13,531.36

Finding the Fourth Proportional to 16,389.04, 24,694.12 and 13,531.36

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Solution

The fourth proportional to 16,389.04, 24,694.12 and 13,531.36 is: 20,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.04 : 24,694.12 = 13,531.36 : x
  2. Step 2: Convert to fraction form
    16,389.04/24,694.12 = 13,531.36/x
  3. Step 3: Cross multiply
    16,389.04x = 24,694.12 × 13,531.36
  4. Step 4: Simplify right side
    16,389.04x = 334,145,027.60
  5. Step 5: Solve for x
    x = 334,145,027.60/16,389.04
  6. Step 6: Final answer
    x = 20,388.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.