Home / 13,259.51-18,298.19-7,291.56

Finding the Fourth Proportional to 13,259.51, 18,298.19 and 7,291.56

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Solution

The fourth proportional to 13,259.51, 18,298.19 and 7,291.56 is: 10,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.51 : 18,298.19 = 7,291.56 : x
  2. Step 2: Convert to fraction form
    13,259.51/18,298.19 = 7,291.56/x
  3. Step 3: Cross multiply
    13,259.51x = 18,298.19 × 7,291.56
  4. Step 4: Simplify right side
    13,259.51x = 133,422,350.28
  5. Step 5: Solve for x
    x = 133,422,350.28/13,259.51
  6. Step 6: Final answer
    x = 10,062.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.