Home / 12,463.30-18,695.02-3,698.28

Finding the Fourth Proportional to 12,463.30, 18,695.02 and 3,698.28

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Solution

The fourth proportional to 12,463.30, 18,695.02 and 3,698.28 is: 5,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.30 : 18,695.02 = 3,698.28 : x
  2. Step 2: Convert to fraction form
    12,463.30/18,695.02 = 3,698.28/x
  3. Step 3: Cross multiply
    12,463.30x = 18,695.02 × 3,698.28
  4. Step 4: Simplify right side
    12,463.30x = 69,139,418.57
  5. Step 5: Solve for x
    x = 69,139,418.57/12,463.30
  6. Step 6: Final answer
    x = 5,547.44

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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.