Home / 18,904.55-26,087.63-10,406.61

Finding the Fourth Proportional to 18,904.55, 26,087.63 and 10,406.61

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Solution

The fourth proportional to 18,904.55, 26,087.63 and 10,406.61 is: 14,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.55 : 26,087.63 = 10,406.61 : x
  2. Step 2: Convert to fraction form
    18,904.55/26,087.63 = 10,406.61/x
  3. Step 3: Cross multiply
    18,904.55x = 26,087.63 × 10,406.61
  4. Step 4: Simplify right side
    18,904.55x = 271,483,739.20
  5. Step 5: Solve for x
    x = 271,483,739.20/18,904.55
  6. Step 6: Final answer
    x = 14,360.77

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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.