Home / 13,041.98-18,012.70-12,008.64

Finding the Fourth Proportional to 13,041.98, 18,012.70 and 12,008.64

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Solution

The fourth proportional to 13,041.98, 18,012.70 and 12,008.64 is: 16,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.98 : 18,012.70 = 12,008.64 : x
  2. Step 2: Convert to fraction form
    13,041.98/18,012.70 = 12,008.64/x
  3. Step 3: Cross multiply
    13,041.98x = 18,012.70 × 12,008.64
  4. Step 4: Simplify right side
    13,041.98x = 216,308,029.73
  5. Step 5: Solve for x
    x = 216,308,029.73/13,041.98
  6. Step 6: Final answer
    x = 16,585.52

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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.