Home / 12,598.44-18,871.70-7,391.76

Finding the Fourth Proportional to 12,598.44, 18,871.70 and 7,391.76

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Solution

The fourth proportional to 12,598.44, 18,871.70 and 7,391.76 is: 11,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,598.44 : 18,871.70 = 7,391.76 : x
  2. Step 2: Convert to fraction form
    12,598.44/18,871.70 = 7,391.76/x
  3. Step 3: Cross multiply
    12,598.44x = 18,871.70 × 7,391.76
  4. Step 4: Simplify right side
    12,598.44x = 139,495,077.19
  5. Step 5: Solve for x
    x = 139,495,077.19/12,598.44
  6. Step 6: Final answer
    x = 11,072.41

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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.