Home / 14,420.76-21,638.06-6,528.84

Finding the Fourth Proportional to 14,420.76, 21,638.06 and 6,528.84

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Solution

The fourth proportional to 14,420.76, 21,638.06 and 6,528.84 is: 9,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.76 : 21,638.06 = 6,528.84 : x
  2. Step 2: Convert to fraction form
    14,420.76/21,638.06 = 6,528.84/x
  3. Step 3: Cross multiply
    14,420.76x = 21,638.06 × 6,528.84
  4. Step 4: Simplify right side
    14,420.76x = 141,271,431.65
  5. Step 5: Solve for x
    x = 141,271,431.65/14,420.76
  6. Step 6: Final answer
    x = 9,796.39

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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.