Home / 14,664.60-21,996.90-13,205.40

Finding the Fourth Proportional to 14,664.60, 21,996.90 and 13,205.40

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Solution

The fourth proportional to 14,664.60, 21,996.90 and 13,205.40 is: 19,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.60 : 21,996.90 = 13,205.40 : x
  2. Step 2: Convert to fraction form
    14,664.60/21,996.90 = 13,205.40/x
  3. Step 3: Cross multiply
    14,664.60x = 21,996.90 × 13,205.40
  4. Step 4: Simplify right side
    14,664.60x = 290,477,863.26
  5. Step 5: Solve for x
    x = 290,477,863.26/14,664.60
  6. Step 6: Final answer
    x = 19,808.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.