Home / 22,389.14-30,917.76-14,445.02

Finding the Fourth Proportional to 22,389.14, 30,917.76 and 14,445.02

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Solution

The fourth proportional to 22,389.14, 30,917.76 and 14,445.02 is: 19,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,389.14 : 30,917.76 = 14,445.02 : x
  2. Step 2: Convert to fraction form
    22,389.14/30,917.76 = 14,445.02/x
  3. Step 3: Cross multiply
    22,389.14x = 30,917.76 × 14,445.02
  4. Step 4: Simplify right side
    22,389.14x = 446,607,661.56
  5. Step 5: Solve for x
    x = 446,607,661.56/22,389.14
  6. Step 6: Final answer
    x = 19,947.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.