Home / 14,006.70-21,016.61-6,987.26

Finding the Fourth Proportional to 14,006.70, 21,016.61 and 6,987.26

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Solution

The fourth proportional to 14,006.70, 21,016.61 and 6,987.26 is: 10,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.70 : 21,016.61 = 6,987.26 : x
  2. Step 2: Convert to fraction form
    14,006.70/21,016.61 = 6,987.26/x
  3. Step 3: Cross multiply
    14,006.70x = 21,016.61 × 6,987.26
  4. Step 4: Simplify right side
    14,006.70x = 146,848,522.74
  5. Step 5: Solve for x
    x = 146,848,522.74/14,006.70
  6. Step 6: Final answer
    x = 10,484.16

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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.