Home / 9,421.89-14,135.12-6,653.96

Finding the Fourth Proportional to 9,421.89, 14,135.12 and 6,653.96

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Solution

The fourth proportional to 9,421.89, 14,135.12 and 6,653.96 is: 9,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.89 : 14,135.12 = 6,653.96 : x
  2. Step 2: Convert to fraction form
    9,421.89/14,135.12 = 6,653.96/x
  3. Step 3: Cross multiply
    9,421.89x = 14,135.12 × 6,653.96
  4. Step 4: Simplify right side
    9,421.89x = 94,054,523.08
  5. Step 5: Solve for x
    x = 94,054,523.08/9,421.89
  6. Step 6: Final answer
    x = 9,982.55

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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.