Home / 18,785.63-25,924.98-10,402.13

Finding the Fourth Proportional to 18,785.63, 25,924.98 and 10,402.13

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Solution

The fourth proportional to 18,785.63, 25,924.98 and 10,402.13 is: 14,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.63 : 25,924.98 = 10,402.13 : x
  2. Step 2: Convert to fraction form
    18,785.63/25,924.98 = 10,402.13/x
  3. Step 3: Cross multiply
    18,785.63x = 25,924.98 × 10,402.13
  4. Step 4: Simplify right side
    18,785.63x = 269,674,882.58
  5. Step 5: Solve for x
    x = 269,674,882.58/18,785.63
  6. Step 6: Final answer
    x = 14,355.39

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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.