Home / 18,904.59-26,088.39-10,406.43

Finding the Fourth Proportional to 18,904.59, 26,088.39 and 10,406.43

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Solution

The fourth proportional to 18,904.59, 26,088.39 and 10,406.43 is: 14,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.59 : 26,088.39 = 10,406.43 : x
  2. Step 2: Convert to fraction form
    18,904.59/26,088.39 = 10,406.43/x
  3. Step 3: Cross multiply
    18,904.59x = 26,088.39 × 10,406.43
  4. Step 4: Simplify right side
    18,904.59x = 271,487,004.35
  5. Step 5: Solve for x
    x = 271,487,004.35/18,904.59
  6. Step 6: Final answer
    x = 14,360.90

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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.