Home / 8,901.06-13,411.68-7,375.02

Finding the Fourth Proportional to 8,901.06, 13,411.68 and 7,375.02

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Solution

The fourth proportional to 8,901.06, 13,411.68 and 7,375.02 is: 11,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.06 : 13,411.68 = 7,375.02 : x
  2. Step 2: Convert to fraction form
    8,901.06/13,411.68 = 7,375.02/x
  3. Step 3: Cross multiply
    8,901.06x = 13,411.68 × 7,375.02
  4. Step 4: Simplify right side
    8,901.06x = 98,911,408.23
  5. Step 5: Solve for x
    x = 98,911,408.23/8,901.06
  6. Step 6: Final answer
    x = 11,112.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.