Home / 9,881.61-14,817.33-3,639.45

Finding the Fourth Proportional to 9,881.61, 14,817.33 and 3,639.45

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Solution

The fourth proportional to 9,881.61, 14,817.33 and 3,639.45 is: 5,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.61 : 14,817.33 = 3,639.45 : x
  2. Step 2: Convert to fraction form
    9,881.61/14,817.33 = 3,639.45/x
  3. Step 3: Cross multiply
    9,881.61x = 14,817.33 × 3,639.45
  4. Step 4: Simplify right side
    9,881.61x = 53,926,931.67
  5. Step 5: Solve for x
    x = 53,926,931.67/9,881.61
  6. Step 6: Final answer
    x = 5,457.30

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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.