Home / 23,136.18-34,718.14-9,988.54

Finding the Fourth Proportional to 23,136.18, 34,718.14 and 9,988.54

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Solution

The fourth proportional to 23,136.18, 34,718.14 and 9,988.54 is: 14,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.18 : 34,718.14 = 9,988.54 : x
  2. Step 2: Convert to fraction form
    23,136.18/34,718.14 = 9,988.54/x
  3. Step 3: Cross multiply
    23,136.18x = 34,718.14 × 9,988.54
  4. Step 4: Simplify right side
    23,136.18x = 346,783,455.81
  5. Step 5: Solve for x
    x = 346,783,455.81/23,136.18
  6. Step 6: Final answer
    x = 14,988.80

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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.