Home / 14,224.44-21,228.51-12,648.07

Finding the Fourth Proportional to 14,224.44, 21,228.51 and 12,648.07

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Solution

The fourth proportional to 14,224.44, 21,228.51 and 12,648.07 is: 18,875.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.44 : 21,228.51 = 12,648.07 : x
  2. Step 2: Convert to fraction form
    14,224.44/21,228.51 = 12,648.07/x
  3. Step 3: Cross multiply
    14,224.44x = 21,228.51 × 12,648.07
  4. Step 4: Simplify right side
    14,224.44x = 268,499,680.48
  5. Step 5: Solve for x
    x = 268,499,680.48/14,224.44
  6. Step 6: Final answer
    x = 18,875.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.