Home / 19,118.34-26,383.10-10,620.54

Finding the Fourth Proportional to 19,118.34, 26,383.10 and 10,620.54

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Solution

The fourth proportional to 19,118.34, 26,383.10 and 10,620.54 is: 14,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.34 : 26,383.10 = 10,620.54 : x
  2. Step 2: Convert to fraction form
    19,118.34/26,383.10 = 10,620.54/x
  3. Step 3: Cross multiply
    19,118.34x = 26,383.10 × 10,620.54
  4. Step 4: Simplify right side
    19,118.34x = 280,202,715.77
  5. Step 5: Solve for x
    x = 280,202,715.77/19,118.34
  6. Step 6: Final answer
    x = 14,656.23

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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.