Home / 14,323.77-21,491.60-8,777.30

Finding the Fourth Proportional to 14,323.77, 21,491.60 and 8,777.30

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Solution

The fourth proportional to 14,323.77, 21,491.60 and 8,777.30 is: 13,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.77 : 21,491.60 = 8,777.30 : x
  2. Step 2: Convert to fraction form
    14,323.77/21,491.60 = 8,777.30/x
  3. Step 3: Cross multiply
    14,323.77x = 21,491.60 × 8,777.30
  4. Step 4: Simplify right side
    14,323.77x = 188,638,069.34
  5. Step 5: Solve for x
    x = 188,638,069.34/14,323.77
  6. Step 6: Final answer
    x = 13,169.58

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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.