Home / 14,967.78-20,656.50-8,596.40

Finding the Fourth Proportional to 14,967.78, 20,656.50 and 8,596.40

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Solution

The fourth proportional to 14,967.78, 20,656.50 and 8,596.40 is: 11,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.78 : 20,656.50 = 8,596.40 : x
  2. Step 2: Convert to fraction form
    14,967.78/20,656.50 = 8,596.40/x
  3. Step 3: Cross multiply
    14,967.78x = 20,656.50 × 8,596.40
  4. Step 4: Simplify right side
    14,967.78x = 177,571,536.60
  5. Step 5: Solve for x
    x = 177,571,536.60/14,967.78
  6. Step 6: Final answer
    x = 11,863.59

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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.