Home / 14,049.86-21,085.18-6,654.35

Finding the Fourth Proportional to 14,049.86, 21,085.18 and 6,654.35

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Solution

The fourth proportional to 14,049.86, 21,085.18 and 6,654.35 is: 9,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.86 : 21,085.18 = 6,654.35 : x
  2. Step 2: Convert to fraction form
    14,049.86/21,085.18 = 6,654.35/x
  3. Step 3: Cross multiply
    14,049.86x = 21,085.18 × 6,654.35
  4. Step 4: Simplify right side
    14,049.86x = 140,308,203.61
  5. Step 5: Solve for x
    x = 140,308,203.61/14,049.86
  6. Step 6: Final answer
    x = 9,986.45

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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.