Home / 12,569.58-18,846.54-4,247.10

Finding the Fourth Proportional to 12,569.58, 18,846.54 and 4,247.10

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Solution

The fourth proportional to 12,569.58, 18,846.54 and 4,247.10 is: 6,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.58 : 18,846.54 = 4,247.10 : x
  2. Step 2: Convert to fraction form
    12,569.58/18,846.54 = 4,247.10/x
  3. Step 3: Cross multiply
    12,569.58x = 18,846.54 × 4,247.10
  4. Step 4: Simplify right side
    12,569.58x = 80,043,140.03
  5. Step 5: Solve for x
    x = 80,043,140.03/12,569.58
  6. Step 6: Final answer
    x = 6,368.00

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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.