Home / 19,353.19-26,712.93-11,400.04

Finding the Fourth Proportional to 19,353.19, 26,712.93 and 11,400.04

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Solution

The fourth proportional to 19,353.19, 26,712.93 and 11,400.04 is: 15,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.19 : 26,712.93 = 11,400.04 : x
  2. Step 2: Convert to fraction form
    19,353.19/26,712.93 = 11,400.04/x
  3. Step 3: Cross multiply
    19,353.19x = 26,712.93 × 11,400.04
  4. Step 4: Simplify right side
    19,353.19x = 304,528,470.52
  5. Step 5: Solve for x
    x = 304,528,470.52/19,353.19
  6. Step 6: Final answer
    x = 15,735.31

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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.