Home / 13,819.94-19,071.51-7,532.32

Finding the Fourth Proportional to 13,819.94, 19,071.51 and 7,532.32

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Solution

The fourth proportional to 13,819.94, 19,071.51 and 7,532.32 is: 10,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.94 : 19,071.51 = 7,532.32 : x
  2. Step 2: Convert to fraction form
    13,819.94/19,071.51 = 7,532.32/x
  3. Step 3: Cross multiply
    13,819.94x = 19,071.51 × 7,532.32
  4. Step 4: Simplify right side
    13,819.94x = 143,652,716.20
  5. Step 5: Solve for x
    x = 143,652,716.20/13,819.94
  6. Step 6: Final answer
    x = 10,394.60

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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.