Home / 15,292.10-21,093.70-10,117.94

Finding the Fourth Proportional to 15,292.10, 21,093.70 and 10,117.94

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Solution

The fourth proportional to 15,292.10, 21,093.70 and 10,117.94 is: 13,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.10 : 21,093.70 = 10,117.94 : x
  2. Step 2: Convert to fraction form
    15,292.10/21,093.70 = 10,117.94/x
  3. Step 3: Cross multiply
    15,292.10x = 21,093.70 × 10,117.94
  4. Step 4: Simplify right side
    15,292.10x = 213,424,660.21
  5. Step 5: Solve for x
    x = 213,424,660.21/15,292.10
  6. Step 6: Final answer
    x = 13,956.54

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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.