Home / 10,435.39-14,400.75-5,719.66

Finding the Fourth Proportional to 10,435.39, 14,400.75 and 5,719.66

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Solution

The fourth proportional to 10,435.39, 14,400.75 and 5,719.66 is: 7,893.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.39 : 14,400.75 = 5,719.66 : x
  2. Step 2: Convert to fraction form
    10,435.39/14,400.75 = 5,719.66/x
  3. Step 3: Cross multiply
    10,435.39x = 14,400.75 × 5,719.66
  4. Step 4: Simplify right side
    10,435.39x = 82,367,379.19
  5. Step 5: Solve for x
    x = 82,367,379.19/10,435.39
  6. Step 6: Final answer
    x = 7,893.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.