Home / 14,057.12-21,089.13-9,905.23

Finding the Fourth Proportional to 14,057.12, 21,089.13 and 9,905.23

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Solution

The fourth proportional to 14,057.12, 21,089.13 and 9,905.23 is: 14,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.12 : 21,089.13 = 9,905.23 : x
  2. Step 2: Convert to fraction form
    14,057.12/21,089.13 = 9,905.23/x
  3. Step 3: Cross multiply
    14,057.12x = 21,089.13 × 9,905.23
  4. Step 4: Simplify right side
    14,057.12x = 208,892,683.15
  5. Step 5: Solve for x
    x = 208,892,683.15/14,057.12
  6. Step 6: Final answer
    x = 14,860.28

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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.