Home / 8,746.74-13,125.60-8,186.36

Finding the Fourth Proportional to 8,746.74, 13,125.60 and 8,186.36

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Solution

The fourth proportional to 8,746.74, 13,125.60 and 8,186.36 is: 12,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.74 : 13,125.60 = 8,186.36 : x
  2. Step 2: Convert to fraction form
    8,746.74/13,125.60 = 8,186.36/x
  3. Step 3: Cross multiply
    8,746.74x = 13,125.60 × 8,186.36
  4. Step 4: Simplify right side
    8,746.74x = 107,450,821.19
  5. Step 5: Solve for x
    x = 107,450,821.19/8,746.74
  6. Step 6: Final answer
    x = 12,284.67

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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.