Home / 13,646.88-20,392.62-10,247.52

Finding the Fourth Proportional to 13,646.88, 20,392.62 and 10,247.52

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Solution

The fourth proportional to 13,646.88, 20,392.62 and 10,247.52 is: 15,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.88 : 20,392.62 = 10,247.52 : x
  2. Step 2: Convert to fraction form
    13,646.88/20,392.62 = 10,247.52/x
  3. Step 3: Cross multiply
    13,646.88x = 20,392.62 × 10,247.52
  4. Step 4: Simplify right side
    13,646.88x = 208,973,781.30
  5. Step 5: Solve for x
    x = 208,973,781.30/13,646.88
  6. Step 6: Final answer
    x = 15,312.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.