Home / 13,262.13-18,301.34-7,212.04

Finding the Fourth Proportional to 13,262.13, 18,301.34 and 7,212.04

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Solution

The fourth proportional to 13,262.13, 18,301.34 and 7,212.04 is: 9,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.13 : 18,301.34 = 7,212.04 : x
  2. Step 2: Convert to fraction form
    13,262.13/18,301.34 = 7,212.04/x
  3. Step 3: Cross multiply
    13,262.13x = 18,301.34 × 7,212.04
  4. Step 4: Simplify right side
    13,262.13x = 131,989,968.41
  5. Step 5: Solve for x
    x = 131,989,968.41/13,262.13
  6. Step 6: Final answer
    x = 9,952.40

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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.