Home / 14,124.30-21,186.45-12,010.20

Finding the Fourth Proportional to 14,124.30, 21,186.45 and 12,010.20

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Solution

The fourth proportional to 14,124.30, 21,186.45 and 12,010.20 is: 18,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.30 : 21,186.45 = 12,010.20 : x
  2. Step 2: Convert to fraction form
    14,124.30/21,186.45 = 12,010.20/x
  3. Step 3: Cross multiply
    14,124.30x = 21,186.45 × 12,010.20
  4. Step 4: Simplify right side
    14,124.30x = 254,453,501.79
  5. Step 5: Solve for x
    x = 254,453,501.79/14,124.30
  6. Step 6: Final answer
    x = 18,015.30

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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.