Home / 13,995.08-19,313.34-7,707.50

Finding the Fourth Proportional to 13,995.08, 19,313.34 and 7,707.50

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Solution

The fourth proportional to 13,995.08, 19,313.34 and 7,707.50 is: 10,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.08 : 19,313.34 = 7,707.50 : x
  2. Step 2: Convert to fraction form
    13,995.08/19,313.34 = 7,707.50/x
  3. Step 3: Cross multiply
    13,995.08x = 19,313.34 × 7,707.50
  4. Step 4: Simplify right side
    13,995.08x = 148,857,568.05
  5. Step 5: Solve for x
    x = 148,857,568.05/13,995.08
  6. Step 6: Final answer
    x = 10,636.42

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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.