Home / 13,058.26-18,014.53-8,807.93

Finding the Fourth Proportional to 13,058.26, 18,014.53 and 8,807.93

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Solution

The fourth proportional to 13,058.26, 18,014.53 and 8,807.93 is: 12,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.26 : 18,014.53 = 8,807.93 : x
  2. Step 2: Convert to fraction form
    13,058.26/18,014.53 = 8,807.93/x
  3. Step 3: Cross multiply
    13,058.26x = 18,014.53 × 8,807.93
  4. Step 4: Simplify right side
    13,058.26x = 158,670,719.22
  5. Step 5: Solve for x
    x = 158,670,719.22/13,058.26
  6. Step 6: Final answer
    x = 12,150.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.