Home / 9,409.12-13,001.50-6,751.86

Finding the Fourth Proportional to 9,409.12, 13,001.50 and 6,751.86

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Solution

The fourth proportional to 9,409.12, 13,001.50 and 6,751.86 is: 9,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409.12 : 13,001.50 = 6,751.86 : x
  2. Step 2: Convert to fraction form
    9,409.12/13,001.50 = 6,751.86/x
  3. Step 3: Cross multiply
    9,409.12x = 13,001.50 × 6,751.86
  4. Step 4: Simplify right side
    9,409.12x = 87,784,307.79
  5. Step 5: Solve for x
    x = 87,784,307.79/9,409.12
  6. Step 6: Final answer
    x = 9,329.70

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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.