Home / 14,428.76-21,643.20-4,040.24

Finding the Fourth Proportional to 14,428.76, 21,643.20 and 4,040.24

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Solution

The fourth proportional to 14,428.76, 21,643.20 and 4,040.24 is: 6,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.76 : 21,643.20 = 4,040.24 : x
  2. Step 2: Convert to fraction form
    14,428.76/21,643.20 = 4,040.24/x
  3. Step 3: Cross multiply
    14,428.76x = 21,643.20 × 4,040.24
  4. Step 4: Simplify right side
    14,428.76x = 87,443,722.37
  5. Step 5: Solve for x
    x = 87,443,722.37/14,428.76
  6. Step 6: Final answer
    x = 6,060.38

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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.