Home / 14,664.29-20,209.58-10,415.54

Finding the Fourth Proportional to 14,664.29, 20,209.58 and 10,415.54

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Solution

The fourth proportional to 14,664.29, 20,209.58 and 10,415.54 is: 14,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.29 : 20,209.58 = 10,415.54 : x
  2. Step 2: Convert to fraction form
    14,664.29/20,209.58 = 10,415.54/x
  3. Step 3: Cross multiply
    14,664.29x = 20,209.58 × 10,415.54
  4. Step 4: Simplify right side
    14,664.29x = 210,493,535.75
  5. Step 5: Solve for x
    x = 210,493,535.75/14,664.29
  6. Step 6: Final answer
    x = 14,354.16

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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.