Home / 14,684.80-20,274.69-10,445.26

Finding the Fourth Proportional to 14,684.80, 20,274.69 and 10,445.26

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Solution

The fourth proportional to 14,684.80, 20,274.69 and 10,445.26 is: 14,421.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684.80 : 20,274.69 = 10,445.26 : x
  2. Step 2: Convert to fraction form
    14,684.80/20,274.69 = 10,445.26/x
  3. Step 3: Cross multiply
    14,684.80x = 20,274.69 × 10,445.26
  4. Step 4: Simplify right side
    14,684.80x = 211,774,408.47
  5. Step 5: Solve for x
    x = 211,774,408.47/14,684.80
  6. Step 6: Final answer
    x = 14,421.33

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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.