Home / 12,447.36-18,665.16-4,544.40

Finding the Fourth Proportional to 12,447.36, 18,665.16 and 4,544.40

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Solution

The fourth proportional to 12,447.36, 18,665.16 and 4,544.40 is: 6,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447.36 : 18,665.16 = 4,544.40 : x
  2. Step 2: Convert to fraction form
    12,447.36/18,665.16 = 4,544.40/x
  3. Step 3: Cross multiply
    12,447.36x = 18,665.16 × 4,544.40
  4. Step 4: Simplify right side
    12,447.36x = 84,821,953.10
  5. Step 5: Solve for x
    x = 84,821,953.10/12,447.36
  6. Step 6: Final answer
    x = 6,814.45

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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.