Home / 9,088.10-13,603.35-7,129.70

Finding the Fourth Proportional to 9,088.10, 13,603.35 and 7,129.70

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Solution

The fourth proportional to 9,088.10, 13,603.35 and 7,129.70 is: 10,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.10 : 13,603.35 = 7,129.70 : x
  2. Step 2: Convert to fraction form
    9,088.10/13,603.35 = 7,129.70/x
  3. Step 3: Cross multiply
    9,088.10x = 13,603.35 × 7,129.70
  4. Step 4: Simplify right side
    9,088.10x = 96,987,804.50
  5. Step 5: Solve for x
    x = 96,987,804.50/9,088.10
  6. Step 6: Final answer
    x = 10,671.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.