Home / 14,587.12-20,087.87-12,672.07

Finding the Fourth Proportional to 14,587.12, 20,087.87 and 12,672.07

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Solution

The fourth proportional to 14,587.12, 20,087.87 and 12,672.07 is: 17,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.12 : 20,087.87 = 12,672.07 : x
  2. Step 2: Convert to fraction form
    14,587.12/20,087.87 = 12,672.07/x
  3. Step 3: Cross multiply
    14,587.12x = 20,087.87 × 12,672.07
  4. Step 4: Simplify right side
    14,587.12x = 254,554,926.47
  5. Step 5: Solve for x
    x = 254,554,926.47/14,587.12
  6. Step 6: Final answer
    x = 17,450.66

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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.