Home / 14,477.00-21,703.19-13,788.09

Finding the Fourth Proportional to 14,477.00, 21,703.19 and 13,788.09

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Solution

The fourth proportional to 14,477.00, 21,703.19 and 13,788.09 is: 20,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,477.00 : 21,703.19 = 13,788.09 : x
  2. Step 2: Convert to fraction form
    14,477.00/21,703.19 = 13,788.09/x
  3. Step 3: Cross multiply
    14,477.00x = 21,703.19 × 13,788.09
  4. Step 4: Simplify right side
    14,477.00x = 299,245,468.07
  5. Step 5: Solve for x
    x = 299,245,468.07/14,477.00
  6. Step 6: Final answer
    x = 20,670.41

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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.