Home / 9,188.95-12,680.88-6,885.26

Finding the Fourth Proportional to 9,188.95, 12,680.88 and 6,885.26

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Solution

The fourth proportional to 9,188.95, 12,680.88 and 6,885.26 is: 9,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.95 : 12,680.88 = 6,885.26 : x
  2. Step 2: Convert to fraction form
    9,188.95/12,680.88 = 6,885.26/x
  3. Step 3: Cross multiply
    9,188.95x = 12,680.88 × 6,885.26
  4. Step 4: Simplify right side
    9,188.95x = 87,311,155.83
  5. Step 5: Solve for x
    x = 87,311,155.83/9,188.95
  6. Step 6: Final answer
    x = 9,501.76

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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.