Home / 13,407.37-18,501.96-7,357.66

Finding the Fourth Proportional to 13,407.37, 18,501.96 and 7,357.66

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Solution

The fourth proportional to 13,407.37, 18,501.96 and 7,357.66 is: 10,153.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.37 : 18,501.96 = 7,357.66 : x
  2. Step 2: Convert to fraction form
    13,407.37/18,501.96 = 7,357.66/x
  3. Step 3: Cross multiply
    13,407.37x = 18,501.96 × 7,357.66
  4. Step 4: Simplify right side
    13,407.37x = 136,131,131.01
  5. Step 5: Solve for x
    x = 136,131,131.01/13,407.37
  6. Step 6: Final answer
    x = 10,153.46

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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.