Home / 13,448.85-20,159.37-5,126.63

Finding the Fourth Proportional to 13,448.85, 20,159.37 and 5,126.63

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Solution

The fourth proportional to 13,448.85, 20,159.37 and 5,126.63 is: 7,684.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.85 : 20,159.37 = 5,126.63 : x
  2. Step 2: Convert to fraction form
    13,448.85/20,159.37 = 5,126.63/x
  3. Step 3: Cross multiply
    13,448.85x = 20,159.37 × 5,126.63
  4. Step 4: Simplify right side
    13,448.85x = 103,349,631.02
  5. Step 5: Solve for x
    x = 103,349,631.02/13,448.85
  6. Step 6: Final answer
    x = 7,684.64

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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.