Home / 14,323.28-19,765.50-8,659.40

Finding the Fourth Proportional to 14,323.28, 19,765.50 and 8,659.40

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Solution

The fourth proportional to 14,323.28, 19,765.50 and 8,659.40 is: 11,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.28 : 19,765.50 = 8,659.40 : x
  2. Step 2: Convert to fraction form
    14,323.28/19,765.50 = 8,659.40/x
  3. Step 3: Cross multiply
    14,323.28x = 19,765.50 × 8,659.40
  4. Step 4: Simplify right side
    14,323.28x = 171,157,370.70
  5. Step 5: Solve for x
    x = 171,157,370.70/14,323.28
  6. Step 6: Final answer
    x = 11,949.59

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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.