Home / 14,328.68-19,782.60-11,682.32

Finding the Fourth Proportional to 14,328.68, 19,782.60 and 11,682.32

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Solution

The fourth proportional to 14,328.68, 19,782.60 and 11,682.32 is: 16,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.68 : 19,782.60 = 11,682.32 : x
  2. Step 2: Convert to fraction form
    14,328.68/19,782.60 = 11,682.32/x
  3. Step 3: Cross multiply
    14,328.68x = 19,782.60 × 11,682.32
  4. Step 4: Simplify right side
    14,328.68x = 231,106,663.63
  5. Step 5: Solve for x
    x = 231,106,663.63/14,328.68
  6. Step 6: Final answer
    x = 16,128.96

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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.