Home / 14,686.08-20,281.92-12,577.92

Finding the Fourth Proportional to 14,686.08, 20,281.92 and 12,577.92

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Solution

The fourth proportional to 14,686.08, 20,281.92 and 12,577.92 is: 17,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.08 : 20,281.92 = 12,577.92 : x
  2. Step 2: Convert to fraction form
    14,686.08/20,281.92 = 12,577.92/x
  3. Step 3: Cross multiply
    14,686.08x = 20,281.92 × 12,577.92
  4. Step 4: Simplify right side
    14,686.08x = 255,104,367.21
  5. Step 5: Solve for x
    x = 255,104,367.21/14,686.08
  6. Step 6: Final answer
    x = 17,370.49

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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.