Home / 10,356.26-14,291.52-5,640.44

Finding the Fourth Proportional to 10,356.26, 14,291.52 and 5,640.44

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Solution

The fourth proportional to 10,356.26, 14,291.52 and 5,640.44 is: 7,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.26 : 14,291.52 = 5,640.44 : x
  2. Step 2: Convert to fraction form
    10,356.26/14,291.52 = 5,640.44/x
  3. Step 3: Cross multiply
    10,356.26x = 14,291.52 × 5,640.44
  4. Step 4: Simplify right side
    10,356.26x = 80,610,461.07
  5. Step 5: Solve for x
    x = 80,610,461.07/10,356.26
  6. Step 6: Final answer
    x = 7,783.74

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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.