Home / 14,040.24-21,008.48-11,551.92

Finding the Fourth Proportional to 14,040.24, 21,008.48 and 11,551.92

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Solution

The fourth proportional to 14,040.24, 21,008.48 and 11,551.92 is: 17,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.24 : 21,008.48 = 11,551.92 : x
  2. Step 2: Convert to fraction form
    14,040.24/21,008.48 = 11,551.92/x
  3. Step 3: Cross multiply
    14,040.24x = 21,008.48 × 11,551.92
  4. Step 4: Simplify right side
    14,040.24x = 242,688,280.28
  5. Step 5: Solve for x
    x = 242,688,280.28/14,040.24
  6. Step 6: Final answer
    x = 17,285.19

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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.