Home / 19,286.48-26,614.90-10,788.72

Finding the Fourth Proportional to 19,286.48, 26,614.90 and 10,788.72

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Solution

The fourth proportional to 19,286.48, 26,614.90 and 10,788.72 is: 14,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.48 : 26,614.90 = 10,788.72 : x
  2. Step 2: Convert to fraction form
    19,286.48/26,614.90 = 10,788.72/x
  3. Step 3: Cross multiply
    19,286.48x = 26,614.90 × 10,788.72
  4. Step 4: Simplify right side
    19,286.48x = 287,140,703.93
  5. Step 5: Solve for x
    x = 287,140,703.93/19,286.48
  6. Step 6: Final answer
    x = 14,888.19

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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.