Home / 12,434.62-18,655.20-4,643.50

Finding the Fourth Proportional to 12,434.62, 18,655.20 and 4,643.50

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Solution

The fourth proportional to 12,434.62, 18,655.20 and 4,643.50 is: 6,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.62 : 18,655.20 = 4,643.50 : x
  2. Step 2: Convert to fraction form
    12,434.62/18,655.20 = 4,643.50/x
  3. Step 3: Cross multiply
    12,434.62x = 18,655.20 × 4,643.50
  4. Step 4: Simplify right side
    12,434.62x = 86,625,421.20
  5. Step 5: Solve for x
    x = 86,625,421.20/12,434.62
  6. Step 6: Final answer
    x = 6,966.47

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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.