Home / 14,005.89-21,008.39-6,606.18

Finding the Fourth Proportional to 14,005.89, 21,008.39 and 6,606.18

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Solution

The fourth proportional to 14,005.89, 21,008.39 and 6,606.18 is: 9,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.89 : 21,008.39 = 6,606.18 : x
  2. Step 2: Convert to fraction form
    14,005.89/21,008.39 = 6,606.18/x
  3. Step 3: Cross multiply
    14,005.89x = 21,008.39 × 6,606.18
  4. Step 4: Simplify right side
    14,005.89x = 138,785,172.82
  5. Step 5: Solve for x
    x = 138,785,172.82/14,005.89
  6. Step 6: Final answer
    x = 9,909.06

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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.