Home / 13,294.83-18,347.19-7,327.16

Finding the Fourth Proportional to 13,294.83, 18,347.19 and 7,327.16

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Solution

The fourth proportional to 13,294.83, 18,347.19 and 7,327.16 is: 10,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.83 : 18,347.19 = 7,327.16 : x
  2. Step 2: Convert to fraction form
    13,294.83/18,347.19 = 7,327.16/x
  3. Step 3: Cross multiply
    13,294.83x = 18,347.19 × 7,327.16
  4. Step 4: Simplify right side
    13,294.83x = 134,432,704.94
  5. Step 5: Solve for x
    x = 134,432,704.94/13,294.83
  6. Step 6: Final answer
    x = 10,111.65

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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.