Home / 13,314.16-18,373.39-7,346.08

Finding the Fourth Proportional to 13,314.16, 18,373.39 and 7,346.08

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Solution

The fourth proportional to 13,314.16, 18,373.39 and 7,346.08 is: 10,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.16 : 18,373.39 = 7,346.08 : x
  2. Step 2: Convert to fraction form
    13,314.16/18,373.39 = 7,346.08/x
  3. Step 3: Cross multiply
    13,314.16x = 18,373.39 × 7,346.08
  4. Step 4: Simplify right side
    13,314.16x = 134,972,392.81
  5. Step 5: Solve for x
    x = 134,972,392.81/13,314.16
  6. Step 6: Final answer
    x = 10,137.51

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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.