Home / 14,349.45-21,556.58-8,509.89

Finding the Fourth Proportional to 14,349.45, 21,556.58 and 8,509.89

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Solution

The fourth proportional to 14,349.45, 21,556.58 and 8,509.89 is: 12,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.45 : 21,556.58 = 8,509.89 : x
  2. Step 2: Convert to fraction form
    14,349.45/21,556.58 = 8,509.89/x
  3. Step 3: Cross multiply
    14,349.45x = 21,556.58 × 8,509.89
  4. Step 4: Simplify right side
    14,349.45x = 183,444,124.58
  5. Step 5: Solve for x
    x = 183,444,124.58/14,349.45
  6. Step 6: Final answer
    x = 12,784.05

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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.