Home / 21,798.93-30,082.53-12,237.49

Finding the Fourth Proportional to 21,798.93, 30,082.53 and 12,237.49

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Solution

The fourth proportional to 21,798.93, 30,082.53 and 12,237.49 is: 16,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798.93 : 30,082.53 = 12,237.49 : x
  2. Step 2: Convert to fraction form
    21,798.93/30,082.53 = 12,237.49/x
  3. Step 3: Cross multiply
    21,798.93x = 30,082.53 × 12,237.49
  4. Step 4: Simplify right side
    21,798.93x = 368,134,660.05
  5. Step 5: Solve for x
    x = 368,134,660.05/21,798.93
  6. Step 6: Final answer
    x = 16,887.74

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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.