Home / 19,464.45-26,862.16-11,289.72

Finding the Fourth Proportional to 19,464.45, 26,862.16 and 11,289.72

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Solution

The fourth proportional to 19,464.45, 26,862.16 and 11,289.72 is: 15,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,464.45 : 26,862.16 = 11,289.72 : x
  2. Step 2: Convert to fraction form
    19,464.45/26,862.16 = 11,289.72/x
  3. Step 3: Cross multiply
    19,464.45x = 26,862.16 × 11,289.72
  4. Step 4: Simplify right side
    19,464.45x = 303,266,074.24
  5. Step 5: Solve for x
    x = 303,266,074.24/19,464.45
  6. Step 6: Final answer
    x = 15,580.51

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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.