Home / 14,987.76-20,685.60-14,323.44

Finding the Fourth Proportional to 14,987.76, 20,685.60 and 14,323.44

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Solution

The fourth proportional to 14,987.76, 20,685.60 and 14,323.44 is: 19,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.76 : 20,685.60 = 14,323.44 : x
  2. Step 2: Convert to fraction form
    14,987.76/20,685.60 = 14,323.44/x
  3. Step 3: Cross multiply
    14,987.76x = 20,685.60 × 14,323.44
  4. Step 4: Simplify right side
    14,987.76x = 296,288,950.46
  5. Step 5: Solve for x
    x = 296,288,950.46/14,987.76
  6. Step 6: Final answer
    x = 19,768.73

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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.