Home / 9,077.06-13,603.64-8,485.15

Finding the Fourth Proportional to 9,077.06, 13,603.64 and 8,485.15

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Solution

The fourth proportional to 9,077.06, 13,603.64 and 8,485.15 is: 12,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.06 : 13,603.64 = 8,485.15 : x
  2. Step 2: Convert to fraction form
    9,077.06/13,603.64 = 8,485.15/x
  3. Step 3: Cross multiply
    9,077.06x = 13,603.64 × 8,485.15
  4. Step 4: Simplify right side
    9,077.06x = 115,428,925.95
  5. Step 5: Solve for x
    x = 115,428,925.95/9,077.06
  6. Step 6: Final answer
    x = 12,716.55

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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.