Home / 18,438.36-25,444.89-10,054.86

Finding the Fourth Proportional to 18,438.36, 25,444.89 and 10,054.86

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Solution

The fourth proportional to 18,438.36, 25,444.89 and 10,054.86 is: 13,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.36 : 25,444.89 = 10,054.86 : x
  2. Step 2: Convert to fraction form
    18,438.36/25,444.89 = 10,054.86/x
  3. Step 3: Cross multiply
    18,438.36x = 25,444.89 × 10,054.86
  4. Step 4: Simplify right side
    18,438.36x = 255,844,806.67
  5. Step 5: Solve for x
    x = 255,844,806.67/18,438.36
  6. Step 6: Final answer
    x = 13,875.68

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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.