Home / 19,490.68-26,898.06-11,107

Finding the Fourth Proportional to 19,490.68, 26,898.06 and 11,107

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Solution

The fourth proportional to 19,490.68, 26,898.06 and 11,107 is: 15,328.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.68 : 26,898.06 = 11,107 : x
  2. Step 2: Convert to fraction form
    19,490.68/26,898.06 = 11,107/x
  3. Step 3: Cross multiply
    19,490.68x = 26,898.06 × 11,107
  4. Step 4: Simplify right side
    19,490.68x = 298,756,752.42
  5. Step 5: Solve for x
    x = 298,756,752.42/19,490.68
  6. Step 6: Final answer
    x = 15,328.19

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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.