Home / 10,289.40-15,433.67-4,364.66

Finding the Fourth Proportional to 10,289.40, 15,433.67 and 4,364.66

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Solution

The fourth proportional to 10,289.40, 15,433.67 and 4,364.66 is: 6,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.40 : 15,433.67 = 4,364.66 : x
  2. Step 2: Convert to fraction form
    10,289.40/15,433.67 = 4,364.66/x
  3. Step 3: Cross multiply
    10,289.40x = 15,433.67 × 4,364.66
  4. Step 4: Simplify right side
    10,289.40x = 67,362,722.10
  5. Step 5: Solve for x
    x = 67,362,722.10/10,289.40
  6. Step 6: Final answer
    x = 6,546.81

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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.