Home / 14,030.03-21,019.52-8,168.87

Finding the Fourth Proportional to 14,030.03, 21,019.52 and 8,168.87

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Solution

The fourth proportional to 14,030.03, 21,019.52 and 8,168.87 is: 12,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.03 : 21,019.52 = 8,168.87 : x
  2. Step 2: Convert to fraction form
    14,030.03/21,019.52 = 8,168.87/x
  3. Step 3: Cross multiply
    14,030.03x = 21,019.52 × 8,168.87
  4. Step 4: Simplify right side
    14,030.03x = 171,705,580.40
  5. Step 5: Solve for x
    x = 171,705,580.40/14,030.03
  6. Step 6: Final answer
    x = 12,238.44

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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.