Home / 13,058.99-18,026.55-8,812.56

Finding the Fourth Proportional to 13,058.99, 18,026.55 and 8,812.56

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Solution

The fourth proportional to 13,058.99, 18,026.55 and 8,812.56 is: 12,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.99 : 18,026.55 = 8,812.56 : x
  2. Step 2: Convert to fraction form
    13,058.99/18,026.55 = 8,812.56/x
  3. Step 3: Cross multiply
    13,058.99x = 18,026.55 × 8,812.56
  4. Step 4: Simplify right side
    13,058.99x = 158,860,053.47
  5. Step 5: Solve for x
    x = 158,860,053.47/13,058.99
  6. Step 6: Final answer
    x = 12,164.80

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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.