Home / 13,802.46-19,028.26-9,319.11

Finding the Fourth Proportional to 13,802.46, 19,028.26 and 9,319.11

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Solution

The fourth proportional to 13,802.46, 19,028.26 and 9,319.11 is: 12,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.46 : 19,028.26 = 9,319.11 : x
  2. Step 2: Convert to fraction form
    13,802.46/19,028.26 = 9,319.11/x
  3. Step 3: Cross multiply
    13,802.46x = 19,028.26 × 9,319.11
  4. Step 4: Simplify right side
    13,802.46x = 177,326,401.45
  5. Step 5: Solve for x
    x = 177,326,401.45/13,802.46
  6. Step 6: Final answer
    x = 12,847.45

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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.