Home / 12,450.84-18,665.04-4,547.85

Finding the Fourth Proportional to 12,450.84, 18,665.04 and 4,547.85

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Solution

The fourth proportional to 12,450.84, 18,665.04 and 4,547.85 is: 6,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.84 : 18,665.04 = 4,547.85 : x
  2. Step 2: Convert to fraction form
    12,450.84/18,665.04 = 4,547.85/x
  3. Step 3: Cross multiply
    12,450.84x = 18,665.04 × 4,547.85
  4. Step 4: Simplify right side
    12,450.84x = 84,885,802.16
  5. Step 5: Solve for x
    x = 84,885,802.16/12,450.84
  6. Step 6: Final answer
    x = 6,817.68

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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.