Home / 14,205.80-21,284.40-9,005.60

Finding the Fourth Proportional to 14,205.80, 21,284.40 and 9,005.60

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Solution

The fourth proportional to 14,205.80, 21,284.40 and 9,005.60 is: 13,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.80 : 21,284.40 = 9,005.60 : x
  2. Step 2: Convert to fraction form
    14,205.80/21,284.40 = 9,005.60/x
  3. Step 3: Cross multiply
    14,205.80x = 21,284.40 × 9,005.60
  4. Step 4: Simplify right side
    14,205.80x = 191,678,792.64
  5. Step 5: Solve for x
    x = 191,678,792.64/14,205.80
  6. Step 6: Final answer
    x = 13,493.00

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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.