Home / 14,848.96-20,491.56-8,880.63

Finding the Fourth Proportional to 14,848.96, 20,491.56 and 8,880.63

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Solution

The fourth proportional to 14,848.96, 20,491.56 and 8,880.63 is: 12,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,848.96 : 20,491.56 = 8,880.63 : x
  2. Step 2: Convert to fraction form
    14,848.96/20,491.56 = 8,880.63/x
  3. Step 3: Cross multiply
    14,848.96x = 20,491.56 × 8,880.63
  4. Step 4: Simplify right side
    14,848.96x = 181,977,939.43
  5. Step 5: Solve for x
    x = 181,977,939.43/14,848.96
  6. Step 6: Final answer
    x = 12,255.27

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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.