Home / 10,358.87-14,295.60-7,172.82

Finding the Fourth Proportional to 10,358.87, 14,295.60 and 7,172.82

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Solution

The fourth proportional to 10,358.87, 14,295.60 and 7,172.82 is: 9,898.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.87 : 14,295.60 = 7,172.82 : x
  2. Step 2: Convert to fraction form
    10,358.87/14,295.60 = 7,172.82/x
  3. Step 3: Cross multiply
    10,358.87x = 14,295.60 × 7,172.82
  4. Step 4: Simplify right side
    10,358.87x = 102,539,765.59
  5. Step 5: Solve for x
    x = 102,539,765.59/10,358.87
  6. Step 6: Final answer
    x = 9,898.75

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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.