Home / 19,108.80-26,364.96-10,725.12

Finding the Fourth Proportional to 19,108.80, 26,364.96 and 10,725.12

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Solution

The fourth proportional to 19,108.80, 26,364.96 and 10,725.12 is: 14,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.80 : 26,364.96 = 10,725.12 : x
  2. Step 2: Convert to fraction form
    19,108.80/26,364.96 = 10,725.12/x
  3. Step 3: Cross multiply
    19,108.80x = 26,364.96 × 10,725.12
  4. Step 4: Simplify right side
    19,108.80x = 282,767,359.80
  5. Step 5: Solve for x
    x = 282,767,359.80/19,108.80
  6. Step 6: Final answer
    x = 14,797.76

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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.