Home / 12,058.40-18,081.36-4,266.08

Finding the Fourth Proportional to 12,058.40, 18,081.36 and 4,266.08

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Solution

The fourth proportional to 12,058.40, 18,081.36 and 4,266.08 is: 6,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058.40 : 18,081.36 = 4,266.08 : x
  2. Step 2: Convert to fraction form
    12,058.40/18,081.36 = 4,266.08/x
  3. Step 3: Cross multiply
    12,058.40x = 18,081.36 × 4,266.08
  4. Step 4: Simplify right side
    12,058.40x = 77,136,528.27
  5. Step 5: Solve for x
    x = 77,136,528.27/12,058.40
  6. Step 6: Final answer
    x = 6,396.91

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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.