Home / 14,389.07-21,572.66-11,939.63

Finding the Fourth Proportional to 14,389.07, 21,572.66 and 11,939.63

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Solution

The fourth proportional to 14,389.07, 21,572.66 and 11,939.63 is: 17,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.07 : 21,572.66 = 11,939.63 : x
  2. Step 2: Convert to fraction form
    14,389.07/21,572.66 = 11,939.63/x
  3. Step 3: Cross multiply
    14,389.07x = 21,572.66 × 11,939.63
  4. Step 4: Simplify right side
    14,389.07x = 257,569,500.50
  5. Step 5: Solve for x
    x = 257,569,500.50/14,389.07
  6. Step 6: Final answer
    x = 17,900.36

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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.