Home / 14,929.56-20,602.08-8,643.96

Finding the Fourth Proportional to 14,929.56, 20,602.08 and 8,643.96

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Solution

The fourth proportional to 14,929.56, 20,602.08 and 8,643.96 is: 11,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.56 : 20,602.08 = 8,643.96 : x
  2. Step 2: Convert to fraction form
    14,929.56/20,602.08 = 8,643.96/x
  3. Step 3: Cross multiply
    14,929.56x = 20,602.08 × 8,643.96
  4. Step 4: Simplify right side
    14,929.56x = 178,083,555.44
  5. Step 5: Solve for x
    x = 178,083,555.44/14,929.56
  6. Step 6: Final answer
    x = 11,928.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.