Home / 13,282.36-18,328.55-7,314.35

Finding the Fourth Proportional to 13,282.36, 18,328.55 and 7,314.35

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Solution

The fourth proportional to 13,282.36, 18,328.55 and 7,314.35 is: 10,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.36 : 18,328.55 = 7,314.35 : x
  2. Step 2: Convert to fraction form
    13,282.36/18,328.55 = 7,314.35/x
  3. Step 3: Cross multiply
    13,282.36x = 18,328.55 × 7,314.35
  4. Step 4: Simplify right side
    13,282.36x = 134,061,301.48
  5. Step 5: Solve for x
    x = 134,061,301.48/13,282.36
  6. Step 6: Final answer
    x = 10,093.19

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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.