Home / 14,577.12-20,107.44-10,386.72

Finding the Fourth Proportional to 14,577.12, 20,107.44 and 10,386.72

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Solution

The fourth proportional to 14,577.12, 20,107.44 and 10,386.72 is: 14,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.12 : 20,107.44 = 10,386.72 : x
  2. Step 2: Convert to fraction form
    14,577.12/20,107.44 = 10,386.72/x
  3. Step 3: Cross multiply
    14,577.12x = 20,107.44 × 10,386.72
  4. Step 4: Simplify right side
    14,577.12x = 208,850,349.20
  5. Step 5: Solve for x
    x = 208,850,349.20/14,577.12
  6. Step 6: Final answer
    x = 14,327.27

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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.