Home / 14,777.48-20,395.56-8,809.53

Finding the Fourth Proportional to 14,777.48, 20,395.56 and 8,809.53

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Solution

The fourth proportional to 14,777.48, 20,395.56 and 8,809.53 is: 12,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.48 : 20,395.56 = 8,809.53 : x
  2. Step 2: Convert to fraction form
    14,777.48/20,395.56 = 8,809.53/x
  3. Step 3: Cross multiply
    14,777.48x = 20,395.56 × 8,809.53
  4. Step 4: Simplify right side
    14,777.48x = 179,675,297.69
  5. Step 5: Solve for x
    x = 179,675,297.69/14,777.48
  6. Step 6: Final answer
    x = 12,158.72

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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.