Home / 9,141.85-13,711.70-2,386.99

Finding the Fourth Proportional to 9,141.85, 13,711.70 and 2,386.99

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Solution

The fourth proportional to 9,141.85, 13,711.70 and 2,386.99 is: 3,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.85 : 13,711.70 = 2,386.99 : x
  2. Step 2: Convert to fraction form
    9,141.85/13,711.70 = 2,386.99/x
  3. Step 3: Cross multiply
    9,141.85x = 13,711.70 × 2,386.99
  4. Step 4: Simplify right side
    9,141.85x = 32,729,678.85
  5. Step 5: Solve for x
    x = 32,729,678.85/9,141.85
  6. Step 6: Final answer
    x = 3,580.20

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1.5x scale

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.