Home / 14,315.48-21,464.80-6,520.04

Finding the Fourth Proportional to 14,315.48, 21,464.80 and 6,520.04

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Solution

The fourth proportional to 14,315.48, 21,464.80 and 6,520.04 is: 9,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.48 : 21,464.80 = 6,520.04 : x
  2. Step 2: Convert to fraction form
    14,315.48/21,464.80 = 6,520.04/x
  3. Step 3: Cross multiply
    14,315.48x = 21,464.80 × 6,520.04
  4. Step 4: Simplify right side
    14,315.48x = 139,951,354.59
  5. Step 5: Solve for x
    x = 139,951,354.59/14,315.48
  6. Step 6: Final answer
    x = 9,776.23

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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.