Home / 13,268.51-19,907.54-6,689.74

Finding the Fourth Proportional to 13,268.51, 19,907.54 and 6,689.74

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Solution

The fourth proportional to 13,268.51, 19,907.54 and 6,689.74 is: 10,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.51 : 19,907.54 = 6,689.74 : x
  2. Step 2: Convert to fraction form
    13,268.51/19,907.54 = 6,689.74/x
  3. Step 3: Cross multiply
    13,268.51x = 19,907.54 × 6,689.74
  4. Step 4: Simplify right side
    13,268.51x = 133,176,167.10
  5. Step 5: Solve for x
    x = 133,176,167.10/13,268.51
  6. Step 6: Final answer
    x = 10,037.01

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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.