Home / 18,749.06-25,876.50-10,790.72

Finding the Fourth Proportional to 18,749.06, 25,876.50 and 10,790.72

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Solution

The fourth proportional to 18,749.06, 25,876.50 and 10,790.72 is: 14,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.06 : 25,876.50 = 10,790.72 : x
  2. Step 2: Convert to fraction form
    18,749.06/25,876.50 = 10,790.72/x
  3. Step 3: Cross multiply
    18,749.06x = 25,876.50 × 10,790.72
  4. Step 4: Simplify right side
    18,749.06x = 279,226,066.08
  5. Step 5: Solve for x
    x = 279,226,066.08/18,749.06
  6. Step 6: Final answer
    x = 14,892.80

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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.