Home / 13,056.13-18,017.48-7,467.13

Finding the Fourth Proportional to 13,056.13, 18,017.48 and 7,467.13

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Solution

The fourth proportional to 13,056.13, 18,017.48 and 7,467.13 is: 10,304.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.13 : 18,017.48 = 7,467.13 : x
  2. Step 2: Convert to fraction form
    13,056.13/18,017.48 = 7,467.13/x
  3. Step 3: Cross multiply
    13,056.13x = 18,017.48 × 7,467.13
  4. Step 4: Simplify right side
    13,056.13x = 134,538,738.01
  5. Step 5: Solve for x
    x = 134,538,738.01/13,056.13
  6. Step 6: Final answer
    x = 10,304.65

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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.