Home / 10,435.20-14,392.14-6,453.52

Finding the Fourth Proportional to 10,435.20, 14,392.14 and 6,453.52

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Solution

The fourth proportional to 10,435.20, 14,392.14 and 6,453.52 is: 8,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.20 : 14,392.14 = 6,453.52 : x
  2. Step 2: Convert to fraction form
    10,435.20/14,392.14 = 6,453.52/x
  3. Step 3: Cross multiply
    10,435.20x = 14,392.14 × 6,453.52
  4. Step 4: Simplify right side
    10,435.20x = 92,879,963.33
  5. Step 5: Solve for x
    x = 92,879,963.33/10,435.20
  6. Step 6: Final answer
    x = 8,900.64

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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.