Home / 19,245.76-26,558.94-10,862.08

Finding the Fourth Proportional to 19,245.76, 26,558.94 and 10,862.08

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Solution

The fourth proportional to 19,245.76, 26,558.94 and 10,862.08 is: 14,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.76 : 26,558.94 = 10,862.08 : x
  2. Step 2: Convert to fraction form
    19,245.76/26,558.94 = 10,862.08/x
  3. Step 3: Cross multiply
    19,245.76x = 26,558.94 × 10,862.08
  4. Step 4: Simplify right side
    19,245.76x = 288,485,331.00
  5. Step 5: Solve for x
    x = 288,485,331.00/19,245.76
  6. Step 6: Final answer
    x = 14,989.55

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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.