Home / 12,423.32-18,635.16-3,656.24

Finding the Fourth Proportional to 12,423.32, 18,635.16 and 3,656.24

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Solution

The fourth proportional to 12,423.32, 18,635.16 and 3,656.24 is: 5,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.32 : 18,635.16 = 3,656.24 : x
  2. Step 2: Convert to fraction form
    12,423.32/18,635.16 = 3,656.24/x
  3. Step 3: Cross multiply
    12,423.32x = 18,635.16 × 3,656.24
  4. Step 4: Simplify right side
    12,423.32x = 68,134,617.40
  5. Step 5: Solve for x
    x = 68,134,617.40/12,423.32
  6. Step 6: Final answer
    x = 5,484.41

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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.