Home / 14,247.59-21,377.53-7,672.46

Finding the Fourth Proportional to 14,247.59, 21,377.53 and 7,672.46

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Solution

The fourth proportional to 14,247.59, 21,377.53 and 7,672.46 is: 11,512.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.59 : 21,377.53 = 7,672.46 : x
  2. Step 2: Convert to fraction form
    14,247.59/21,377.53 = 7,672.46/x
  3. Step 3: Cross multiply
    14,247.59x = 21,377.53 × 7,672.46
  4. Step 4: Simplify right side
    14,247.59x = 164,018,316.45
  5. Step 5: Solve for x
    x = 164,018,316.45/14,247.59
  6. Step 6: Final answer
    x = 11,512.01

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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.