Home / 13,363.23-18,440.00-7,984.59

Finding the Fourth Proportional to 13,363.23, 18,440.00 and 7,984.59

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Solution

The fourth proportional to 13,363.23, 18,440.00 and 7,984.59 is: 11,017.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.23 : 18,440.00 = 7,984.59 : x
  2. Step 2: Convert to fraction form
    13,363.23/18,440.00 = 7,984.59/x
  3. Step 3: Cross multiply
    13,363.23x = 18,440.00 × 7,984.59
  4. Step 4: Simplify right side
    13,363.23x = 147,235,928.71
  5. Step 5: Solve for x
    x = 147,235,928.71/13,363.23
  6. Step 6: Final answer
    x = 11,017.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.