Home / 13,788.95-19,028.63-7,501.33

Finding the Fourth Proportional to 13,788.95, 19,028.63 and 7,501.33

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Solution

The fourth proportional to 13,788.95, 19,028.63 and 7,501.33 is: 10,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.95 : 19,028.63 = 7,501.33 : x
  2. Step 2: Convert to fraction form
    13,788.95/19,028.63 = 7,501.33/x
  3. Step 3: Cross multiply
    13,788.95x = 19,028.63 × 7,501.33
  4. Step 4: Simplify right side
    13,788.95x = 142,740,033.08
  5. Step 5: Solve for x
    x = 142,740,033.08/13,788.95
  6. Step 6: Final answer
    x = 10,351.77

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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.