Home / 11,345.84-15,657.29-6,310.38

Finding the Fourth Proportional to 11,345.84, 15,657.29 and 6,310.38

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Solution

The fourth proportional to 11,345.84, 15,657.29 and 6,310.38 is: 8,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.84 : 15,657.29 = 6,310.38 : x
  2. Step 2: Convert to fraction form
    11,345.84/15,657.29 = 6,310.38/x
  3. Step 3: Cross multiply
    11,345.84x = 15,657.29 × 6,310.38
  4. Step 4: Simplify right side
    11,345.84x = 98,803,418.12
  5. Step 5: Solve for x
    x = 98,803,418.12/11,345.84
  6. Step 6: Final answer
    x = 8,708.34

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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.