Home / 19,247.24-26,561.52-11,289.68

Finding the Fourth Proportional to 19,247.24, 26,561.52 and 11,289.68

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Solution

The fourth proportional to 19,247.24, 26,561.52 and 11,289.68 is: 15,579.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.24 : 26,561.52 = 11,289.68 : x
  2. Step 2: Convert to fraction form
    19,247.24/26,561.52 = 11,289.68/x
  3. Step 3: Cross multiply
    19,247.24x = 26,561.52 × 11,289.68
  4. Step 4: Simplify right side
    19,247.24x = 299,871,061.11
  5. Step 5: Solve for x
    x = 299,871,061.11/19,247.24
  6. Step 6: Final answer
    x = 15,579.95

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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.