Home / 14,009.58-21,000.20-9,082.35

Finding the Fourth Proportional to 14,009.58, 21,000.20 and 9,082.35

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Solution

The fourth proportional to 14,009.58, 21,000.20 and 9,082.35 is: 13,614.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.58 : 21,000.20 = 9,082.35 : x
  2. Step 2: Convert to fraction form
    14,009.58/21,000.20 = 9,082.35/x
  3. Step 3: Cross multiply
    14,009.58x = 21,000.20 × 9,082.35
  4. Step 4: Simplify right side
    14,009.58x = 190,731,121.06
  5. Step 5: Solve for x
    x = 190,731,121.06/14,009.58
  6. Step 6: Final answer
    x = 13,614.34

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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.