Home / 13,101.06-19,639.20-4,331.19

Finding the Fourth Proportional to 13,101.06, 19,639.20 and 4,331.19

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Solution

The fourth proportional to 13,101.06, 19,639.20 and 4,331.19 is: 6,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.06 : 19,639.20 = 4,331.19 : x
  2. Step 2: Convert to fraction form
    13,101.06/19,639.20 = 4,331.19/x
  3. Step 3: Cross multiply
    13,101.06x = 19,639.20 × 4,331.19
  4. Step 4: Simplify right side
    13,101.06x = 85,061,106.65
  5. Step 5: Solve for x
    x = 85,061,106.65/13,101.06
  6. Step 6: Final answer
    x = 6,492.69

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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.