Home / 12,463.02-18,689.22-4,140.81

Finding the Fourth Proportional to 12,463.02, 18,689.22 and 4,140.81

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Solution

The fourth proportional to 12,463.02, 18,689.22 and 4,140.81 is: 6,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.02 : 18,689.22 = 4,140.81 : x
  2. Step 2: Convert to fraction form
    12,463.02/18,689.22 = 4,140.81/x
  3. Step 3: Cross multiply
    12,463.02x = 18,689.22 × 4,140.81
  4. Step 4: Simplify right side
    12,463.02x = 77,388,509.07
  5. Step 5: Solve for x
    x = 77,388,509.07/12,463.02
  6. Step 6: Final answer
    x = 6,209.45

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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.