Home / 13,588.01-20,378.06-5,266.16

Finding the Fourth Proportional to 13,588.01, 20,378.06 and 5,266.16

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Solution

The fourth proportional to 13,588.01, 20,378.06 and 5,266.16 is: 7,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.01 : 20,378.06 = 5,266.16 : x
  2. Step 2: Convert to fraction form
    13,588.01/20,378.06 = 5,266.16/x
  3. Step 3: Cross multiply
    13,588.01x = 20,378.06 × 5,266.16
  4. Step 4: Simplify right side
    13,588.01x = 107,314,149.06
  5. Step 5: Solve for x
    x = 107,314,149.06/13,588.01
  6. Step 6: Final answer
    x = 7,897.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.