Home / 9,515.26-13,127.85-5,533.10

Finding the Fourth Proportional to 9,515.26, 13,127.85 and 5,533.10

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Solution

The fourth proportional to 9,515.26, 13,127.85 and 5,533.10 is: 7,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.26 : 13,127.85 = 5,533.10 : x
  2. Step 2: Convert to fraction form
    9,515.26/13,127.85 = 5,533.10/x
  3. Step 3: Cross multiply
    9,515.26x = 13,127.85 × 5,533.10
  4. Step 4: Simplify right side
    9,515.26x = 72,637,641.20
  5. Step 5: Solve for x
    x = 72,637,641.20/9,515.26
  6. Step 6: Final answer
    x = 7,633.81

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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.