Home / 12,434.95-18,651.82-4,643.16

Finding the Fourth Proportional to 12,434.95, 18,651.82 and 4,643.16

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Solution

The fourth proportional to 12,434.95, 18,651.82 and 4,643.16 is: 6,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.95 : 18,651.82 = 4,643.16 : x
  2. Step 2: Convert to fraction form
    12,434.95/18,651.82 = 4,643.16/x
  3. Step 3: Cross multiply
    12,434.95x = 18,651.82 × 4,643.16
  4. Step 4: Simplify right side
    12,434.95x = 86,603,311.70
  5. Step 5: Solve for x
    x = 86,603,311.70/12,434.95
  6. Step 6: Final answer
    x = 6,964.51

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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.