Home / 14,556.30-21,802.05-12,612.30

Finding the Fourth Proportional to 14,556.30, 21,802.05 and 12,612.30

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Solution

The fourth proportional to 14,556.30, 21,802.05 and 12,612.30 is: 18,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.30 : 21,802.05 = 12,612.30 : x
  2. Step 2: Convert to fraction form
    14,556.30/21,802.05 = 12,612.30/x
  3. Step 3: Cross multiply
    14,556.30x = 21,802.05 × 12,612.30
  4. Step 4: Simplify right side
    14,556.30x = 274,973,995.22
  5. Step 5: Solve for x
    x = 274,973,995.22/14,556.30
  6. Step 6: Final answer
    x = 18,890.38

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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.