Home / 14,288.24-21,465.30-13,697.76

Finding the Fourth Proportional to 14,288.24, 21,465.30 and 13,697.76

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Solution

The fourth proportional to 14,288.24, 21,465.30 and 13,697.76 is: 20,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.24 : 21,465.30 = 13,697.76 : x
  2. Step 2: Convert to fraction form
    14,288.24/21,465.30 = 13,697.76/x
  3. Step 3: Cross multiply
    14,288.24x = 21,465.30 × 13,697.76
  4. Step 4: Simplify right side
    14,288.24x = 294,026,527.73
  5. Step 5: Solve for x
    x = 294,026,527.73/14,288.24
  6. Step 6: Final answer
    x = 20,578.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.