Home / 19,618.24-27,073.20-10,665.76

Finding the Fourth Proportional to 19,618.24, 27,073.20 and 10,665.76

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Solution

The fourth proportional to 19,618.24, 27,073.20 and 10,665.76 is: 14,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.24 : 27,073.20 = 10,665.76 : x
  2. Step 2: Convert to fraction form
    19,618.24/27,073.20 = 10,665.76/x
  3. Step 3: Cross multiply
    19,618.24x = 27,073.20 × 10,665.76
  4. Step 4: Simplify right side
    19,618.24x = 288,756,253.63
  5. Step 5: Solve for x
    x = 288,756,253.63/19,618.24
  6. Step 6: Final answer
    x = 14,718.76

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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.