Home / 13,401.88-18,475.47-9,623.84

Finding the Fourth Proportional to 13,401.88, 18,475.47 and 9,623.84

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Solution

The fourth proportional to 13,401.88, 18,475.47 and 9,623.84 is: 13,267.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.88 : 18,475.47 = 9,623.84 : x
  2. Step 2: Convert to fraction form
    13,401.88/18,475.47 = 9,623.84/x
  3. Step 3: Cross multiply
    13,401.88x = 18,475.47 × 9,623.84
  4. Step 4: Simplify right side
    13,401.88x = 177,804,967.20
  5. Step 5: Solve for x
    x = 177,804,967.20/13,401.88
  6. Step 6: Final answer
    x = 13,267.17

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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.