Home / 13,938.92-19,236.02-7,651.32

Finding the Fourth Proportional to 13,938.92, 19,236.02 and 7,651.32

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Solution

The fourth proportional to 13,938.92, 19,236.02 and 7,651.32 is: 10,558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,938.92 : 19,236.02 = 7,651.32 : x
  2. Step 2: Convert to fraction form
    13,938.92/19,236.02 = 7,651.32/x
  3. Step 3: Cross multiply
    13,938.92x = 19,236.02 × 7,651.32
  4. Step 4: Simplify right side
    13,938.92x = 147,180,944.55
  5. Step 5: Solve for x
    x = 147,180,944.55/13,938.92
  6. Step 6: Final answer
    x = 10,558.99

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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.