Home / 14,152.02-21,230.26-4,290.06

Finding the Fourth Proportional to 14,152.02, 21,230.26 and 4,290.06

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Solution

The fourth proportional to 14,152.02, 21,230.26 and 4,290.06 is: 6,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.02 : 21,230.26 = 4,290.06 : x
  2. Step 2: Convert to fraction form
    14,152.02/21,230.26 = 4,290.06/x
  3. Step 3: Cross multiply
    14,152.02x = 21,230.26 × 4,290.06
  4. Step 4: Simplify right side
    14,152.02x = 91,079,089.22
  5. Step 5: Solve for x
    x = 91,079,089.22/14,152.02
  6. Step 6: Final answer
    x = 6,435.77

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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.