Home / 13,549.51-18,699.24-7,580.85

Finding the Fourth Proportional to 13,549.51, 18,699.24 and 7,580.85

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Solution

The fourth proportional to 13,549.51, 18,699.24 and 7,580.85 is: 10,462.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.51 : 18,699.24 = 7,580.85 : x
  2. Step 2: Convert to fraction form
    13,549.51/18,699.24 = 7,580.85/x
  3. Step 3: Cross multiply
    13,549.51x = 18,699.24 × 7,580.85
  4. Step 4: Simplify right side
    13,549.51x = 141,756,133.55
  5. Step 5: Solve for x
    x = 141,756,133.55/13,549.51
  6. Step 6: Final answer
    x = 10,462.09

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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.