Home / 11,319.86-15,623.28-6,604.14

Finding the Fourth Proportional to 11,319.86, 15,623.28 and 6,604.14

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Solution

The fourth proportional to 11,319.86, 15,623.28 and 6,604.14 is: 9,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.86 : 15,623.28 = 6,604.14 : x
  2. Step 2: Convert to fraction form
    11,319.86/15,623.28 = 6,604.14/x
  3. Step 3: Cross multiply
    11,319.86x = 15,623.28 × 6,604.14
  4. Step 4: Simplify right side
    11,319.86x = 103,178,328.38
  5. Step 5: Solve for x
    x = 103,178,328.38/11,319.86
  6. Step 6: Final answer
    x = 9,114.81

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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.