Home / 9,915.66-14,875.58-3,675.74

Finding the Fourth Proportional to 9,915.66, 14,875.58 and 3,675.74

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Solution

The fourth proportional to 9,915.66, 14,875.58 and 3,675.74 is: 5,514.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.66 : 14,875.58 = 3,675.74 : x
  2. Step 2: Convert to fraction form
    9,915.66/14,875.58 = 3,675.74/x
  3. Step 3: Cross multiply
    9,915.66x = 14,875.58 × 3,675.74
  4. Step 4: Simplify right side
    9,915.66x = 54,678,699.24
  5. Step 5: Solve for x
    x = 54,678,699.24/9,915.66
  6. Step 6: Final answer
    x = 5,514.38

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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.