Home / 10,435.56-15,642.76-6,542.68

Finding the Fourth Proportional to 10,435.56, 15,642.76 and 6,542.68

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Solution

The fourth proportional to 10,435.56, 15,642.76 and 6,542.68 is: 9,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.56 : 15,642.76 = 6,542.68 : x
  2. Step 2: Convert to fraction form
    10,435.56/15,642.76 = 6,542.68/x
  3. Step 3: Cross multiply
    10,435.56x = 15,642.76 × 6,542.68
  4. Step 4: Simplify right side
    10,435.56x = 102,345,573.00
  5. Step 5: Solve for x
    x = 102,345,573.00/10,435.56
  6. Step 6: Final answer
    x = 9,807.39

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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.