Home / 12,434.66-18,655.15-4,643.54

Finding the Fourth Proportional to 12,434.66, 18,655.15 and 4,643.54

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Solution

The fourth proportional to 12,434.66, 18,655.15 and 4,643.54 is: 6,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.66 : 18,655.15 = 4,643.54 : x
  2. Step 2: Convert to fraction form
    12,434.66/18,655.15 = 4,643.54/x
  3. Step 3: Cross multiply
    12,434.66x = 18,655.15 × 4,643.54
  4. Step 4: Simplify right side
    12,434.66x = 86,625,935.23
  5. Step 5: Solve for x
    x = 86,625,935.23/12,434.66
  6. Step 6: Final answer
    x = 6,966.49

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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.