Home / 14,219.45-21,300.63-7,082.18

Finding the Fourth Proportional to 14,219.45, 21,300.63 and 7,082.18

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Solution

The fourth proportional to 14,219.45, 21,300.63 and 7,082.18 is: 10,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.45 : 21,300.63 = 7,082.18 : x
  2. Step 2: Convert to fraction form
    14,219.45/21,300.63 = 7,082.18/x
  3. Step 3: Cross multiply
    14,219.45x = 21,300.63 × 7,082.18
  4. Step 4: Simplify right side
    14,219.45x = 150,854,862.51
  5. Step 5: Solve for x
    x = 150,854,862.51/14,219.45
  6. Step 6: Final answer
    x = 10,609.05

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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.