Home / 13,113.23-19,652.31-4,785.41

Finding the Fourth Proportional to 13,113.23, 19,652.31 and 4,785.41

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Solution

The fourth proportional to 13,113.23, 19,652.31 and 4,785.41 is: 7,171.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.23 : 19,652.31 = 4,785.41 : x
  2. Step 2: Convert to fraction form
    13,113.23/19,652.31 = 4,785.41/x
  3. Step 3: Cross multiply
    13,113.23x = 19,652.31 × 4,785.41
  4. Step 4: Simplify right side
    13,113.23x = 94,044,409.93
  5. Step 5: Solve for x
    x = 94,044,409.93/13,113.23
  6. Step 6: Final answer
    x = 7,171.72

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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.