Home / 15,511.45-23,265.25-4,980.64

Finding the Fourth Proportional to 15,511.45, 23,265.25 and 4,980.64

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Solution

The fourth proportional to 15,511.45, 23,265.25 and 4,980.64 is: 7,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.45 : 23,265.25 = 4,980.64 : x
  2. Step 2: Convert to fraction form
    15,511.45/23,265.25 = 4,980.64/x
  3. Step 3: Cross multiply
    15,511.45x = 23,265.25 × 4,980.64
  4. Step 4: Simplify right side
    15,511.45x = 115,875,834.76
  5. Step 5: Solve for x
    x = 115,875,834.76/15,511.45
  6. Step 6: Final answer
    x = 7,470.34

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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.