Home / 11,387.19-15,707.74-6,846.71

Finding the Fourth Proportional to 11,387.19, 15,707.74 and 6,846.71

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Solution

The fourth proportional to 11,387.19, 15,707.74 and 6,846.71 is: 9,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.19 : 15,707.74 = 6,846.71 : x
  2. Step 2: Convert to fraction form
    11,387.19/15,707.74 = 6,846.71/x
  3. Step 3: Cross multiply
    11,387.19x = 15,707.74 × 6,846.71
  4. Step 4: Simplify right side
    11,387.19x = 107,546,410.02
  5. Step 5: Solve for x
    x = 107,546,410.02/11,387.19
  6. Step 6: Final answer
    x = 9,444.51

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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.