Home / 19,491.84-26,900.28-11,108.16

Finding the Fourth Proportional to 19,491.84, 26,900.28 and 11,108.16

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Solution

The fourth proportional to 19,491.84, 26,900.28 and 11,108.16 is: 15,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.84 : 26,900.28 = 11,108.16 : x
  2. Step 2: Convert to fraction form
    19,491.84/26,900.28 = 11,108.16/x
  3. Step 3: Cross multiply
    19,491.84x = 26,900.28 × 11,108.16
  4. Step 4: Simplify right side
    19,491.84x = 298,812,614.28
  5. Step 5: Solve for x
    x = 298,812,614.28/19,491.84
  6. Step 6: Final answer
    x = 15,330.14

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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.