Home / 19,145.62-26,411.23-12,434.97

Finding the Fourth Proportional to 19,145.62, 26,411.23 and 12,434.97

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Solution

The fourth proportional to 19,145.62, 26,411.23 and 12,434.97 is: 17,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.62 : 26,411.23 = 12,434.97 : x
  2. Step 2: Convert to fraction form
    19,145.62/26,411.23 = 12,434.97/x
  3. Step 3: Cross multiply
    19,145.62x = 26,411.23 × 12,434.97
  4. Step 4: Simplify right side
    19,145.62x = 328,422,852.71
  5. Step 5: Solve for x
    x = 328,422,852.71/19,145.62
  6. Step 6: Final answer
    x = 17,153.94

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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.