Home / 13,290.45-19,935.72-6,268.20

Finding the Fourth Proportional to 13,290.45, 19,935.72 and 6,268.20

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Solution

The fourth proportional to 13,290.45, 19,935.72 and 6,268.20 is: 9,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.45 : 19,935.72 = 6,268.20 : x
  2. Step 2: Convert to fraction form
    13,290.45/19,935.72 = 6,268.20/x
  3. Step 3: Cross multiply
    13,290.45x = 19,935.72 × 6,268.20
  4. Step 4: Simplify right side
    13,290.45x = 124,961,080.10
  5. Step 5: Solve for x
    x = 124,961,080.10/13,290.45
  6. Step 6: Final answer
    x = 9,402.32

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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.