Home / 14,280.06-21,427.29-8,047.02

Finding the Fourth Proportional to 14,280.06, 21,427.29 and 8,047.02

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Solution

The fourth proportional to 14,280.06, 21,427.29 and 8,047.02 is: 12,074.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.06 : 21,427.29 = 8,047.02 : x
  2. Step 2: Convert to fraction form
    14,280.06/21,427.29 = 8,047.02/x
  3. Step 3: Cross multiply
    14,280.06x = 21,427.29 × 8,047.02
  4. Step 4: Simplify right side
    14,280.06x = 172,425,831.18
  5. Step 5: Solve for x
    x = 172,425,831.18/14,280.06
  6. Step 6: Final answer
    x = 12,074.59

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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.