Home / 18,875.15-26,048.21-10,377.63

Finding the Fourth Proportional to 18,875.15, 26,048.21 and 10,377.63

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Solution

The fourth proportional to 18,875.15, 26,048.21 and 10,377.63 is: 14,321.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.15 : 26,048.21 = 10,377.63 : x
  2. Step 2: Convert to fraction form
    18,875.15/26,048.21 = 10,377.63/x
  3. Step 3: Cross multiply
    18,875.15x = 26,048.21 × 10,377.63
  4. Step 4: Simplify right side
    18,875.15x = 270,318,685.54
  5. Step 5: Solve for x
    x = 270,318,685.54/18,875.15
  6. Step 6: Final answer
    x = 14,321.41

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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.