Home / 13,314.51-18,374.03-7,346.20

Finding the Fourth Proportional to 13,314.51, 18,374.03 and 7,346.20

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Solution

The fourth proportional to 13,314.51, 18,374.03 and 7,346.20 is: 10,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.51 : 18,374.03 = 7,346.20 : x
  2. Step 2: Convert to fraction form
    13,314.51/18,374.03 = 7,346.20/x
  3. Step 3: Cross multiply
    13,314.51x = 18,374.03 × 7,346.20
  4. Step 4: Simplify right side
    13,314.51x = 134,979,299.19
  5. Step 5: Solve for x
    x = 134,979,299.19/13,314.51
  6. Step 6: Final answer
    x = 10,137.76

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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.