Home / 9,826.90-13,560.80-5,350.61

Finding the Fourth Proportional to 9,826.90, 13,560.80 and 5,350.61

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Solution

The fourth proportional to 9,826.90, 13,560.80 and 5,350.61 is: 7,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,826.90 : 13,560.80 = 5,350.61 : x
  2. Step 2: Convert to fraction form
    9,826.90/13,560.80 = 5,350.61/x
  3. Step 3: Cross multiply
    9,826.90x = 13,560.80 × 5,350.61
  4. Step 4: Simplify right side
    9,826.90x = 72,558,599.37
  5. Step 5: Solve for x
    x = 72,558,599.37/9,826.90
  6. Step 6: Final answer
    x = 7,383.67

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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.