Home / 19,465.37-26,830.67-15,209.01

Finding the Fourth Proportional to 19,465.37, 26,830.67 and 15,209.01

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Solution

The fourth proportional to 19,465.37, 26,830.67 and 15,209.01 is: 20,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465.37 : 26,830.67 = 15,209.01 : x
  2. Step 2: Convert to fraction form
    19,465.37/26,830.67 = 15,209.01/x
  3. Step 3: Cross multiply
    19,465.37x = 26,830.67 × 15,209.01
  4. Step 4: Simplify right side
    19,465.37x = 408,067,852.29
  5. Step 5: Solve for x
    x = 408,067,852.29/19,465.37
  6. Step 6: Final answer
    x = 20,963.78

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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.