Home / 13,282.93-18,330.30-7,314.47

Finding the Fourth Proportional to 13,282.93, 18,330.30 and 7,314.47

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Solution

The fourth proportional to 13,282.93, 18,330.30 and 7,314.47 is: 10,093.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.93 : 18,330.30 = 7,314.47 : x
  2. Step 2: Convert to fraction form
    13,282.93/18,330.30 = 7,314.47/x
  3. Step 3: Cross multiply
    13,282.93x = 18,330.30 × 7,314.47
  4. Step 4: Simplify right side
    13,282.93x = 134,076,475.27
  5. Step 5: Solve for x
    x = 134,076,475.27/13,282.93
  6. Step 6: Final answer
    x = 10,093.89

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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.