Home / 13,009.52-19,515.08-5,217.32

Finding the Fourth Proportional to 13,009.52, 19,515.08 and 5,217.32

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Solution

The fourth proportional to 13,009.52, 19,515.08 and 5,217.32 is: 7,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.52 : 19,515.08 = 5,217.32 : x
  2. Step 2: Convert to fraction form
    13,009.52/19,515.08 = 5,217.32/x
  3. Step 3: Cross multiply
    13,009.52x = 19,515.08 × 5,217.32
  4. Step 4: Simplify right side
    13,009.52x = 101,816,417.19
  5. Step 5: Solve for x
    x = 101,816,417.19/13,009.52
  6. Step 6: Final answer
    x = 7,826.30

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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.