Home / 14,006.40-21,016.98-6,216

Finding the Fourth Proportional to 14,006.40, 21,016.98 and 6,216

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Solution

The fourth proportional to 14,006.40, 21,016.98 and 6,216 is: 9,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.40 : 21,016.98 = 6,216 : x
  2. Step 2: Convert to fraction form
    14,006.40/21,016.98 = 6,216/x
  3. Step 3: Cross multiply
    14,006.40x = 21,016.98 × 6,216
  4. Step 4: Simplify right side
    14,006.40x = 130,641,547.68
  5. Step 5: Solve for x
    x = 130,641,547.68/14,006.40
  6. Step 6: Final answer
    x = 9,327.28

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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.