Home / 14,547.45-21,818.09-6,647.72

Finding the Fourth Proportional to 14,547.45, 21,818.09 and 6,647.72

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Solution

The fourth proportional to 14,547.45, 21,818.09 and 6,647.72 is: 9,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,547.45 : 21,818.09 = 6,647.72 : x
  2. Step 2: Convert to fraction form
    14,547.45/21,818.09 = 6,647.72/x
  3. Step 3: Cross multiply
    14,547.45x = 21,818.09 × 6,647.72
  4. Step 4: Simplify right side
    14,547.45x = 145,040,553.25
  5. Step 5: Solve for x
    x = 145,040,553.25/14,547.45
  6. Step 6: Final answer
    x = 9,970.17

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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.