Home / 13,054.38-19,588.05-8,376.90

Finding the Fourth Proportional to 13,054.38, 19,588.05 and 8,376.90

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Solution

The fourth proportional to 13,054.38, 19,588.05 and 8,376.90 is: 12,569.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.38 : 19,588.05 = 8,376.90 : x
  2. Step 2: Convert to fraction form
    13,054.38/19,588.05 = 8,376.90/x
  3. Step 3: Cross multiply
    13,054.38x = 19,588.05 × 8,376.90
  4. Step 4: Simplify right side
    13,054.38x = 164,087,136.05
  5. Step 5: Solve for x
    x = 164,087,136.05/13,054.38
  6. Step 6: Final answer
    x = 12,569.51

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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.