Home / 15,528.75-23,296.77-5,140.50

Finding the Fourth Proportional to 15,528.75, 23,296.77 and 5,140.50

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Solution

The fourth proportional to 15,528.75, 23,296.77 and 5,140.50 is: 7,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528.75 : 23,296.77 = 5,140.50 : x
  2. Step 2: Convert to fraction form
    15,528.75/23,296.77 = 5,140.50/x
  3. Step 3: Cross multiply
    15,528.75x = 23,296.77 × 5,140.50
  4. Step 4: Simplify right side
    15,528.75x = 119,757,046.19
  5. Step 5: Solve for x
    x = 119,757,046.19/15,528.75
  6. Step 6: Final answer
    x = 7,711.96

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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.