Home / 18,130.08-27,165.60-6,437.28

Finding the Fourth Proportional to 18,130.08, 27,165.60 and 6,437.28

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Solution

The fourth proportional to 18,130.08, 27,165.60 and 6,437.28 is: 9,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.08 : 27,165.60 = 6,437.28 : x
  2. Step 2: Convert to fraction form
    18,130.08/27,165.60 = 6,437.28/x
  3. Step 3: Cross multiply
    18,130.08x = 27,165.60 × 6,437.28
  4. Step 4: Simplify right side
    18,130.08x = 174,872,573.57
  5. Step 5: Solve for x
    x = 174,872,573.57/18,130.08
  6. Step 6: Final answer
    x = 9,645.44

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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.