Home / 17,688.88-26,533.24-5,209.16

Finding the Fourth Proportional to 17,688.88, 26,533.24 and 5,209.16

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Solution

The fourth proportional to 17,688.88, 26,533.24 and 5,209.16 is: 7,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.88 : 26,533.24 = 5,209.16 : x
  2. Step 2: Convert to fraction form
    17,688.88/26,533.24 = 5,209.16/x
  3. Step 3: Cross multiply
    17,688.88x = 26,533.24 × 5,209.16
  4. Step 4: Simplify right side
    17,688.88x = 138,215,892.48
  5. Step 5: Solve for x
    x = 138,215,892.48/17,688.88
  6. Step 6: Final answer
    x = 7,813.72

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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.