Home / 9,988.42-14,967.23-4,916.79

Finding the Fourth Proportional to 9,988.42, 14,967.23 and 4,916.79

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Solution

The fourth proportional to 9,988.42, 14,967.23 and 4,916.79 is: 7,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.42 : 14,967.23 = 4,916.79 : x
  2. Step 2: Convert to fraction form
    9,988.42/14,967.23 = 4,916.79/x
  3. Step 3: Cross multiply
    9,988.42x = 14,967.23 × 4,916.79
  4. Step 4: Simplify right side
    9,988.42x = 73,590,726.79
  5. Step 5: Solve for x
    x = 73,590,726.79/9,988.42
  6. Step 6: Final answer
    x = 7,367.60

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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.