Home / 19,108.23-26,366.79-10,931.70

Finding the Fourth Proportional to 19,108.23, 26,366.79 and 10,931.70

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Solution

The fourth proportional to 19,108.23, 26,366.79 and 10,931.70 is: 15,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.23 : 26,366.79 = 10,931.70 : x
  2. Step 2: Convert to fraction form
    19,108.23/26,366.79 = 10,931.70/x
  3. Step 3: Cross multiply
    19,108.23x = 26,366.79 × 10,931.70
  4. Step 4: Simplify right side
    19,108.23x = 288,233,761.98
  5. Step 5: Solve for x
    x = 288,233,761.98/19,108.23
  6. Step 6: Final answer
    x = 15,084.27

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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.