Home / 19,048.60-26,286.78-10,665.40

Finding the Fourth Proportional to 19,048.60, 26,286.78 and 10,665.40

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Solution

The fourth proportional to 19,048.60, 26,286.78 and 10,665.40 is: 14,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.60 : 26,286.78 = 10,665.40 : x
  2. Step 2: Convert to fraction form
    19,048.60/26,286.78 = 10,665.40/x
  3. Step 3: Cross multiply
    19,048.60x = 26,286.78 × 10,665.40
  4. Step 4: Simplify right side
    19,048.60x = 280,359,023.41
  5. Step 5: Solve for x
    x = 280,359,023.41/19,048.60
  6. Step 6: Final answer
    x = 14,718.09

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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.