Home / 13,529.01-18,669.34-7,559.51

Finding the Fourth Proportional to 13,529.01, 18,669.34 and 7,559.51

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Solution

The fourth proportional to 13,529.01, 18,669.34 and 7,559.51 is: 10,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.01 : 18,669.34 = 7,559.51 : x
  2. Step 2: Convert to fraction form
    13,529.01/18,669.34 = 7,559.51/x
  3. Step 3: Cross multiply
    13,529.01x = 18,669.34 × 7,559.51
  4. Step 4: Simplify right side
    13,529.01x = 141,131,090.20
  5. Step 5: Solve for x
    x = 141,131,090.20/13,529.01
  6. Step 6: Final answer
    x = 10,431.74

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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.