Home / 14,443.40-21,664.11-4,055.15

Finding the Fourth Proportional to 14,443.40, 21,664.11 and 4,055.15

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Solution

The fourth proportional to 14,443.40, 21,664.11 and 4,055.15 is: 6,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.40 : 21,664.11 = 4,055.15 : x
  2. Step 2: Convert to fraction form
    14,443.40/21,664.11 = 4,055.15/x
  3. Step 3: Cross multiply
    14,443.40x = 21,664.11 × 4,055.15
  4. Step 4: Simplify right side
    14,443.40x = 87,851,215.67
  5. Step 5: Solve for x
    x = 87,851,215.67/14,443.40
  6. Step 6: Final answer
    x = 6,082.45

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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.