Home / 13,606.98-18,777.06-7,941.84

Finding the Fourth Proportional to 13,606.98, 18,777.06 and 7,941.84

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Solution

The fourth proportional to 13,606.98, 18,777.06 and 7,941.84 is: 10,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606.98 : 18,777.06 = 7,941.84 : x
  2. Step 2: Convert to fraction form
    13,606.98/18,777.06 = 7,941.84/x
  3. Step 3: Cross multiply
    13,606.98x = 18,777.06 × 7,941.84
  4. Step 4: Simplify right side
    13,606.98x = 149,124,406.19
  5. Step 5: Solve for x
    x = 149,124,406.19/13,606.98
  6. Step 6: Final answer
    x = 10,959.41

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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.