Home / 13,802.96-19,028.95-9,319.61

Finding the Fourth Proportional to 13,802.96, 19,028.95 and 9,319.61

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Solution

The fourth proportional to 13,802.96, 19,028.95 and 9,319.61 is: 12,848.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.96 : 19,028.95 = 9,319.61 : x
  2. Step 2: Convert to fraction form
    13,802.96/19,028.95 = 9,319.61/x
  3. Step 3: Cross multiply
    13,802.96x = 19,028.95 × 9,319.61
  4. Step 4: Simplify right side
    13,802.96x = 177,342,346.11
  5. Step 5: Solve for x
    x = 177,342,346.11/13,802.96
  6. Step 6: Final answer
    x = 12,848.14

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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.