Home / 14,139.77-21,209.51-8,594.64

Finding the Fourth Proportional to 14,139.77, 21,209.51 and 8,594.64

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Solution

The fourth proportional to 14,139.77, 21,209.51 and 8,594.64 is: 12,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.77 : 21,209.51 = 8,594.64 : x
  2. Step 2: Convert to fraction form
    14,139.77/21,209.51 = 8,594.64/x
  3. Step 3: Cross multiply
    14,139.77x = 21,209.51 × 8,594.64
  4. Step 4: Simplify right side
    14,139.77x = 182,288,124.51
  5. Step 5: Solve for x
    x = 182,288,124.51/14,139.77
  6. Step 6: Final answer
    x = 12,891.88

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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.