Home / 13,093.21-18,068.07-7,124.77

Finding the Fourth Proportional to 13,093.21, 18,068.07 and 7,124.77

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Solution

The fourth proportional to 13,093.21, 18,068.07 and 7,124.77 is: 9,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.21 : 18,068.07 = 7,124.77 : x
  2. Step 2: Convert to fraction form
    13,093.21/18,068.07 = 7,124.77/x
  3. Step 3: Cross multiply
    13,093.21x = 18,068.07 × 7,124.77
  4. Step 4: Simplify right side
    13,093.21x = 128,730,843.09
  5. Step 5: Solve for x
    x = 128,730,843.09/13,093.21
  6. Step 6: Final answer
    x = 9,831.88

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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.