Home / 10,430.57-15,644.58-4,190.33

Finding the Fourth Proportional to 10,430.57, 15,644.58 and 4,190.33

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Solution

The fourth proportional to 10,430.57, 15,644.58 and 4,190.33 is: 6,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.57 : 15,644.58 = 4,190.33 : x
  2. Step 2: Convert to fraction form
    10,430.57/15,644.58 = 4,190.33/x
  3. Step 3: Cross multiply
    10,430.57x = 15,644.58 × 4,190.33
  4. Step 4: Simplify right side
    10,430.57x = 65,555,952.91
  5. Step 5: Solve for x
    x = 65,555,952.91/10,430.57
  6. Step 6: Final answer
    x = 6,284.98

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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.