Home / 13,054.12-19,595.76-5,268.40

Finding the Fourth Proportional to 13,054.12, 19,595.76 and 5,268.40

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Solution

The fourth proportional to 13,054.12, 19,595.76 and 5,268.40 is: 7,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.12 : 19,595.76 = 5,268.40 : x
  2. Step 2: Convert to fraction form
    13,054.12/19,595.76 = 5,268.40/x
  3. Step 3: Cross multiply
    13,054.12x = 19,595.76 × 5,268.40
  4. Step 4: Simplify right side
    13,054.12x = 103,238,301.98
  5. Step 5: Solve for x
    x = 103,238,301.98/13,054.12
  6. Step 6: Final answer
    x = 7,908.48

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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.