Home / 19,005.20-26,228.46-11,047.40

Finding the Fourth Proportional to 19,005.20, 26,228.46 and 11,047.40

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Solution

The fourth proportional to 19,005.20, 26,228.46 and 11,047.40 is: 15,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.20 : 26,228.46 = 11,047.40 : x
  2. Step 2: Convert to fraction form
    19,005.20/26,228.46 = 11,047.40/x
  3. Step 3: Cross multiply
    19,005.20x = 26,228.46 × 11,047.40
  4. Step 4: Simplify right side
    19,005.20x = 289,756,289.00
  5. Step 5: Solve for x
    x = 289,756,289.00/19,005.20
  6. Step 6: Final answer
    x = 15,246.16

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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.