Home / 9,938.10-14,903.10-3,360.90

Finding the Fourth Proportional to 9,938.10, 14,903.10 and 3,360.90

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Solution

The fourth proportional to 9,938.10, 14,903.10 and 3,360.90 is: 5,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.10 : 14,903.10 = 3,360.90 : x
  2. Step 2: Convert to fraction form
    9,938.10/14,903.10 = 3,360.90/x
  3. Step 3: Cross multiply
    9,938.10x = 14,903.10 × 3,360.90
  4. Step 4: Simplify right side
    9,938.10x = 50,087,828.79
  5. Step 5: Solve for x
    x = 50,087,828.79/9,938.10
  6. Step 6: Final answer
    x = 5,039.98

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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.