Home / 14,670.86-20,236.56-9,635.36

Finding the Fourth Proportional to 14,670.86, 20,236.56 and 9,635.36

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Solution

The fourth proportional to 14,670.86, 20,236.56 and 9,635.36 is: 13,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.86 : 20,236.56 = 9,635.36 : x
  2. Step 2: Convert to fraction form
    14,670.86/20,236.56 = 9,635.36/x
  3. Step 3: Cross multiply
    14,670.86x = 20,236.56 × 9,635.36
  4. Step 4: Simplify right side
    14,670.86x = 194,986,540.76
  5. Step 5: Solve for x
    x = 194,986,540.76/14,670.86
  6. Step 6: Final answer
    x = 13,290.74

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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.