Home / 19,383.02-26,748.75-10,998.86

Finding the Fourth Proportional to 19,383.02, 26,748.75 and 10,998.86

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Solution

The fourth proportional to 19,383.02, 26,748.75 and 10,998.86 is: 15,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.02 : 26,748.75 = 10,998.86 : x
  2. Step 2: Convert to fraction form
    19,383.02/26,748.75 = 10,998.86/x
  3. Step 3: Cross multiply
    19,383.02x = 26,748.75 × 10,998.86
  4. Step 4: Simplify right side
    19,383.02x = 294,205,756.43
  5. Step 5: Solve for x
    x = 294,205,756.43/19,383.02
  6. Step 6: Final answer
    x = 15,178.53

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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.