Home / 11,402.17-15,730.67-6,924.23

Finding the Fourth Proportional to 11,402.17, 15,730.67 and 6,924.23

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Solution

The fourth proportional to 11,402.17, 15,730.67 and 6,924.23 is: 9,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,402.17 : 15,730.67 = 6,924.23 : x
  2. Step 2: Convert to fraction form
    11,402.17/15,730.67 = 6,924.23/x
  3. Step 3: Cross multiply
    11,402.17x = 15,730.67 × 6,924.23
  4. Step 4: Simplify right side
    11,402.17x = 108,922,742.51
  5. Step 5: Solve for x
    x = 108,922,742.51/11,402.17
  6. Step 6: Final answer
    x = 9,552.81

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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.