Home / 14,440.32-21,650.88-5,205.12

Finding the Fourth Proportional to 14,440.32, 21,650.88 and 5,205.12

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Solution

The fourth proportional to 14,440.32, 21,650.88 and 5,205.12 is: 7,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.32 : 21,650.88 = 5,205.12 : x
  2. Step 2: Convert to fraction form
    14,440.32/21,650.88 = 5,205.12/x
  3. Step 3: Cross multiply
    14,440.32x = 21,650.88 × 5,205.12
  4. Step 4: Simplify right side
    14,440.32x = 112,695,428.51
  5. Step 5: Solve for x
    x = 112,695,428.51/14,440.32
  6. Step 6: Final answer
    x = 7,804.22

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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.