Home / 14,820.00-20,459.04-11,455.21

Finding the Fourth Proportional to 14,820.00, 20,459.04 and 11,455.21

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Solution

The fourth proportional to 14,820.00, 20,459.04 and 11,455.21 is: 15,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.00 : 20,459.04 = 11,455.21 : x
  2. Step 2: Convert to fraction form
    14,820.00/20,459.04 = 11,455.21/x
  3. Step 3: Cross multiply
    14,820.00x = 20,459.04 × 11,455.21
  4. Step 4: Simplify right side
    14,820.00x = 234,362,582.22
  5. Step 5: Solve for x
    x = 234,362,582.22/14,820.00
  6. Step 6: Final answer
    x = 15,813.94

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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.