Home / 18,358.48-25,335.96-10,400.77

Finding the Fourth Proportional to 18,358.48, 25,335.96 and 10,400.77

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Solution

The fourth proportional to 18,358.48, 25,335.96 and 10,400.77 is: 14,353.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.48 : 25,335.96 = 10,400.77 : x
  2. Step 2: Convert to fraction form
    18,358.48/25,335.96 = 10,400.77/x
  3. Step 3: Cross multiply
    18,358.48x = 25,335.96 × 10,400.77
  4. Step 4: Simplify right side
    18,358.48x = 263,513,440.69
  5. Step 5: Solve for x
    x = 263,513,440.69/18,358.48
  6. Step 6: Final answer
    x = 14,353.77

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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.