Home / 12,328.34-17,013.44-7,548.18

Finding the Fourth Proportional to 12,328.34, 17,013.44 and 7,548.18

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Solution

The fourth proportional to 12,328.34, 17,013.44 and 7,548.18 is: 10,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.34 : 17,013.44 = 7,548.18 : x
  2. Step 2: Convert to fraction form
    12,328.34/17,013.44 = 7,548.18/x
  3. Step 3: Cross multiply
    12,328.34x = 17,013.44 × 7,548.18
  4. Step 4: Simplify right side
    12,328.34x = 128,420,507.54
  5. Step 5: Solve for x
    x = 128,420,507.54/12,328.34
  6. Step 6: Final answer
    x = 10,416.69

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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.