Home / 19,043.28-26,268.48-11,084.40

Finding the Fourth Proportional to 19,043.28, 26,268.48 and 11,084.40

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Solution

The fourth proportional to 19,043.28, 26,268.48 and 11,084.40 is: 15,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.28 : 26,268.48 = 11,084.40 : x
  2. Step 2: Convert to fraction form
    19,043.28/26,268.48 = 11,084.40/x
  3. Step 3: Cross multiply
    19,043.28x = 26,268.48 × 11,084.40
  4. Step 4: Simplify right side
    19,043.28x = 291,170,339.71
  5. Step 5: Solve for x
    x = 291,170,339.71/19,043.28
  6. Step 6: Final answer
    x = 15,289.93

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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.