Home / 13,995.07-19,313.10-7,707.44

Finding the Fourth Proportional to 13,995.07, 19,313.10 and 7,707.44

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Solution

The fourth proportional to 13,995.07, 19,313.10 and 7,707.44 is: 10,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.07 : 19,313.10 = 7,707.44 : x
  2. Step 2: Convert to fraction form
    13,995.07/19,313.10 = 7,707.44/x
  3. Step 3: Cross multiply
    13,995.07x = 19,313.10 × 7,707.44
  4. Step 4: Simplify right side
    13,995.07x = 148,854,559.46
  5. Step 5: Solve for x
    x = 148,854,559.46/13,995.07
  6. Step 6: Final answer
    x = 10,636.21

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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.