Home / 14,953.07-20,634.96-8,239.31

Finding the Fourth Proportional to 14,953.07, 20,634.96 and 8,239.31

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Solution

The fourth proportional to 14,953.07, 20,634.96 and 8,239.31 is: 11,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.07 : 20,634.96 = 8,239.31 : x
  2. Step 2: Convert to fraction form
    14,953.07/20,634.96 = 8,239.31/x
  3. Step 3: Cross multiply
    14,953.07x = 20,634.96 × 8,239.31
  4. Step 4: Simplify right side
    14,953.07x = 170,017,883.87
  5. Step 5: Solve for x
    x = 170,017,883.87/14,953.07
  6. Step 6: Final answer
    x = 11,370.10

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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.