Home / 18,903.34-26,086.70-10,406.32

Finding the Fourth Proportional to 18,903.34, 26,086.70 and 10,406.32

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Solution

The fourth proportional to 18,903.34, 26,086.70 and 10,406.32 is: 14,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.34 : 26,086.70 = 10,406.32 : x
  2. Step 2: Convert to fraction form
    18,903.34/26,086.70 = 10,406.32/x
  3. Step 3: Cross multiply
    18,903.34x = 26,086.70 × 10,406.32
  4. Step 4: Simplify right side
    18,903.34x = 271,466,508.74
  5. Step 5: Solve for x
    x = 271,466,508.74/18,903.34
  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.