Home / 10,357.26-14,293.29-5,641.84

Finding the Fourth Proportional to 10,357.26, 14,293.29 and 5,641.84

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Solution

The fourth proportional to 10,357.26, 14,293.29 and 5,641.84 is: 7,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.26 : 14,293.29 = 5,641.84 : x
  2. Step 2: Convert to fraction form
    10,357.26/14,293.29 = 5,641.84/x
  3. Step 3: Cross multiply
    10,357.26x = 14,293.29 × 5,641.84
  4. Step 4: Simplify right side
    10,357.26x = 80,640,455.25
  5. Step 5: Solve for x
    x = 80,640,455.25/10,357.26
  6. Step 6: Final answer
    x = 7,785.89

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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.