Home / 19,302.87-28,965.33-10,418.16

Finding the Fourth Proportional to 19,302.87, 28,965.33 and 10,418.16

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Solution

The fourth proportional to 19,302.87, 28,965.33 and 10,418.16 is: 15,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.87 : 28,965.33 = 10,418.16 : x
  2. Step 2: Convert to fraction form
    19,302.87/28,965.33 = 10,418.16/x
  3. Step 3: Cross multiply
    19,302.87x = 28,965.33 × 10,418.16
  4. Step 4: Simplify right side
    19,302.87x = 301,765,442.39
  5. Step 5: Solve for x
    x = 301,765,442.39/19,302.87
  6. Step 6: Final answer
    x = 15,633.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.