Home / 13,204.23-18,222.06-7,235.49

Finding the Fourth Proportional to 13,204.23, 18,222.06 and 7,235.49

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Solution

The fourth proportional to 13,204.23, 18,222.06 and 7,235.49 is: 9,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.23 : 18,222.06 = 7,235.49 : x
  2. Step 2: Convert to fraction form
    13,204.23/18,222.06 = 7,235.49/x
  3. Step 3: Cross multiply
    13,204.23x = 18,222.06 × 7,235.49
  4. Step 4: Simplify right side
    13,204.23x = 131,845,532.91
  5. Step 5: Solve for x
    x = 131,845,532.91/13,204.23
  6. Step 6: Final answer
    x = 9,985.10

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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.