Home / 13,784.72-20,660.67-9,602.08

Finding the Fourth Proportional to 13,784.72, 20,660.67 and 9,602.08

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Solution

The fourth proportional to 13,784.72, 20,660.67 and 9,602.08 is: 14,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.72 : 20,660.67 = 9,602.08 : x
  2. Step 2: Convert to fraction form
    13,784.72/20,660.67 = 9,602.08/x
  3. Step 3: Cross multiply
    13,784.72x = 20,660.67 × 9,602.08
  4. Step 4: Simplify right side
    13,784.72x = 198,385,406.19
  5. Step 5: Solve for x
    x = 198,385,406.19/13,784.72
  6. Step 6: Final answer
    x = 14,391.69

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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.