Home / 13,045.41-19,558.53-8,370.68

Finding the Fourth Proportional to 13,045.41, 19,558.53 and 8,370.68

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Solution

The fourth proportional to 13,045.41, 19,558.53 and 8,370.68 is: 12,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.41 : 19,558.53 = 8,370.68 : x
  2. Step 2: Convert to fraction form
    13,045.41/19,558.53 = 8,370.68/x
  3. Step 3: Cross multiply
    13,045.41x = 19,558.53 × 8,370.68
  4. Step 4: Simplify right side
    13,045.41x = 163,718,098.11
  5. Step 5: Solve for x
    x = 163,718,098.11/13,045.41
  6. Step 6: Final answer
    x = 12,549.86

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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.