Home / 11,342.90-15,653.18-6,306.96

Finding the Fourth Proportional to 11,342.90, 15,653.18 and 6,306.96

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Solution

The fourth proportional to 11,342.90, 15,653.18 and 6,306.96 is: 8,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.90 : 15,653.18 = 6,306.96 : x
  2. Step 2: Convert to fraction form
    11,342.90/15,653.18 = 6,306.96/x
  3. Step 3: Cross multiply
    11,342.90x = 15,653.18 × 6,306.96
  4. Step 4: Simplify right side
    11,342.90x = 98,723,980.13
  5. Step 5: Solve for x
    x = 98,723,980.13/11,342.90
  6. Step 6: Final answer
    x = 8,703.59

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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.