Home / 19,009.20-26,237.76-10,943.76

Finding the Fourth Proportional to 19,009.20, 26,237.76 and 10,943.76

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Solution

The fourth proportional to 19,009.20, 26,237.76 and 10,943.76 is: 15,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.20 : 26,237.76 = 10,943.76 : x
  2. Step 2: Convert to fraction form
    19,009.20/26,237.76 = 10,943.76/x
  3. Step 3: Cross multiply
    19,009.20x = 26,237.76 × 10,943.76
  4. Step 4: Simplify right side
    19,009.20x = 287,139,748.38
  5. Step 5: Solve for x
    x = 287,139,748.38/19,009.20
  6. Step 6: Final answer
    x = 15,105.30

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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.