Home / 19,411.15-26,789.63-10,798.21

Finding the Fourth Proportional to 19,411.15, 26,789.63 and 10,798.21

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Solution

The fourth proportional to 19,411.15, 26,789.63 and 10,798.21 is: 14,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.15 : 26,789.63 = 10,798.21 : x
  2. Step 2: Convert to fraction form
    19,411.15/26,789.63 = 10,798.21/x
  3. Step 3: Cross multiply
    19,411.15x = 26,789.63 × 10,798.21
  4. Step 4: Simplify right side
    19,411.15x = 289,280,050.56
  5. Step 5: Solve for x
    x = 289,280,050.56/19,411.15
  6. Step 6: Final answer
    x = 14,902.78

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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.