Home / 9,515.20-13,127.75-5,533.04

Finding the Fourth Proportional to 9,515.20, 13,127.75 and 5,533.04

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Solution

The fourth proportional to 9,515.20, 13,127.75 and 5,533.04 is: 7,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.20 : 13,127.75 = 5,533.04 : x
  2. Step 2: Convert to fraction form
    9,515.20/13,127.75 = 5,533.04/x
  3. Step 3: Cross multiply
    9,515.20x = 13,127.75 × 5,533.04
  4. Step 4: Simplify right side
    9,515.20x = 72,636,365.86
  5. Step 5: Solve for x
    x = 72,636,365.86/9,515.20
  6. Step 6: Final answer
    x = 7,633.72

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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.