Home / 14,289.43-21,423.76-5,971.82

Finding the Fourth Proportional to 14,289.43, 21,423.76 and 5,971.82

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Solution

The fourth proportional to 14,289.43, 21,423.76 and 5,971.82 is: 8,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.43 : 21,423.76 = 5,971.82 : x
  2. Step 2: Convert to fraction form
    14,289.43/21,423.76 = 5,971.82/x
  3. Step 3: Cross multiply
    14,289.43x = 21,423.76 × 5,971.82
  4. Step 4: Simplify right side
    14,289.43x = 127,938,877.07
  5. Step 5: Solve for x
    x = 127,938,877.07/14,289.43
  6. Step 6: Final answer
    x = 8,953.39

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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.