Home / 12,560.37-18,840.56-4,769.19

Finding the Fourth Proportional to 12,560.37, 18,840.56 and 4,769.19

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Solution

The fourth proportional to 12,560.37, 18,840.56 and 4,769.19 is: 7,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.37 : 18,840.56 = 4,769.19 : x
  2. Step 2: Convert to fraction form
    12,560.37/18,840.56 = 4,769.19/x
  3. Step 3: Cross multiply
    12,560.37x = 18,840.56 × 4,769.19
  4. Step 4: Simplify right side
    12,560.37x = 89,854,210.35
  5. Step 5: Solve for x
    x = 89,854,210.35/12,560.37
  6. Step 6: Final answer
    x = 7,153.79

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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.