Home / 14,010.32-21,005.18-6,610.62

Finding the Fourth Proportional to 14,010.32, 21,005.18 and 6,610.62

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Solution

The fourth proportional to 14,010.32, 21,005.18 and 6,610.62 is: 9,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.32 : 21,005.18 = 6,610.62 : x
  2. Step 2: Convert to fraction form
    14,010.32/21,005.18 = 6,610.62/x
  3. Step 3: Cross multiply
    14,010.32x = 21,005.18 × 6,610.62
  4. Step 4: Simplify right side
    14,010.32x = 138,857,263.01
  5. Step 5: Solve for x
    x = 138,857,263.01/14,010.32
  6. Step 6: Final answer
    x = 9,911.07

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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.