Home / 14,247.61-21,369.42-4,887.47

Finding the Fourth Proportional to 14,247.61, 21,369.42 and 4,887.47

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Solution

The fourth proportional to 14,247.61, 21,369.42 and 4,887.47 is: 7,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.61 : 21,369.42 = 4,887.47 : x
  2. Step 2: Convert to fraction form
    14,247.61/21,369.42 = 4,887.47/x
  3. Step 3: Cross multiply
    14,247.61x = 21,369.42 × 4,887.47
  4. Step 4: Simplify right side
    14,247.61x = 104,442,452.59
  5. Step 5: Solve for x
    x = 104,442,452.59/14,247.61
  6. Step 6: Final answer
    x = 7,330.53

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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.