Home / 19,020.28-26,247.90-10,636.84

Finding the Fourth Proportional to 19,020.28, 26,247.90 and 10,636.84

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Solution

The fourth proportional to 19,020.28, 26,247.90 and 10,636.84 is: 14,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.28 : 26,247.90 = 10,636.84 : x
  2. Step 2: Convert to fraction form
    19,020.28/26,247.90 = 10,636.84/x
  3. Step 3: Cross multiply
    19,020.28x = 26,247.90 × 10,636.84
  4. Step 4: Simplify right side
    19,020.28x = 279,194,712.64
  5. Step 5: Solve for x
    x = 279,194,712.64/19,020.28
  6. Step 6: Final answer
    x = 14,678.79

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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.