Home / 12,453.36-18,681.67-5,058.06

Finding the Fourth Proportional to 12,453.36, 18,681.67 and 5,058.06

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Solution

The fourth proportional to 12,453.36, 18,681.67 and 5,058.06 is: 7,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.36 : 18,681.67 = 5,058.06 : x
  2. Step 2: Convert to fraction form
    12,453.36/18,681.67 = 5,058.06/x
  3. Step 3: Cross multiply
    12,453.36x = 18,681.67 × 5,058.06
  4. Step 4: Simplify right side
    12,453.36x = 94,493,007.76
  5. Step 5: Solve for x
    x = 94,493,007.76/12,453.36
  6. Step 6: Final answer
    x = 7,587.75

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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.