Home / 14,543.36-20,069.75-8,169.96

Finding the Fourth Proportional to 14,543.36, 20,069.75 and 8,169.96

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Solution

The fourth proportional to 14,543.36, 20,069.75 and 8,169.96 is: 11,274.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.36 : 20,069.75 = 8,169.96 : x
  2. Step 2: Convert to fraction form
    14,543.36/20,069.75 = 8,169.96/x
  3. Step 3: Cross multiply
    14,543.36x = 20,069.75 × 8,169.96
  4. Step 4: Simplify right side
    14,543.36x = 163,969,013.86
  5. Step 5: Solve for x
    x = 163,969,013.86/14,543.36
  6. Step 6: Final answer
    x = 11,274.50

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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.