Home / 13,328.94-18,393.93-7,360.62

Finding the Fourth Proportional to 13,328.94, 18,393.93 and 7,360.62

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Solution

The fourth proportional to 13,328.94, 18,393.93 and 7,360.62 is: 10,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.94 : 18,393.93 = 7,360.62 : x
  2. Step 2: Convert to fraction form
    13,328.94/18,393.93 = 7,360.62/x
  3. Step 3: Cross multiply
    13,328.94x = 18,393.93 × 7,360.62
  4. Step 4: Simplify right side
    13,328.94x = 135,390,729.04
  5. Step 5: Solve for x
    x = 135,390,729.04/13,328.94
  6. Step 6: Final answer
    x = 10,157.65

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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.