Home / 9,984.95-14,977.43-4,139.99

Finding the Fourth Proportional to 9,984.95, 14,977.43 and 4,139.99

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Solution

The fourth proportional to 9,984.95, 14,977.43 and 4,139.99 is: 6,209.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.95 : 14,977.43 = 4,139.99 : x
  2. Step 2: Convert to fraction form
    9,984.95/14,977.43 = 4,139.99/x
  3. Step 3: Cross multiply
    9,984.95x = 14,977.43 × 4,139.99
  4. Step 4: Simplify right side
    9,984.95x = 62,006,389.73
  5. Step 5: Solve for x
    x = 62,006,389.73/9,984.95
  6. Step 6: Final answer
    x = 6,209.99

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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.