Home / 35,814.11-53,707.32-12,115.35

Finding the Fourth Proportional to 35,814.11, 53,707.32 and 12,115.35

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Solution

The fourth proportional to 35,814.11, 53,707.32 and 12,115.35 is: 18,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,814.11 : 53,707.32 = 12,115.35 : x
  2. Step 2: Convert to fraction form
    35,814.11/53,707.32 = 12,115.35/x
  3. Step 3: Cross multiply
    35,814.11x = 53,707.32 × 12,115.35
  4. Step 4: Simplify right side
    35,814.11x = 650,682,979.36
  5. Step 5: Solve for x
    x = 650,682,979.36/35,814.11
  6. Step 6: Final answer
    x = 18,168.34

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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.