Home / 11,354.04-17,037.68-4,779.84

Finding the Fourth Proportional to 11,354.04, 17,037.68 and 4,779.84

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Solution

The fourth proportional to 11,354.04, 17,037.68 and 4,779.84 is: 7,172.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.04 : 17,037.68 = 4,779.84 : x
  2. Step 2: Convert to fraction form
    11,354.04/17,037.68 = 4,779.84/x
  3. Step 3: Cross multiply
    11,354.04x = 17,037.68 × 4,779.84
  4. Step 4: Simplify right side
    11,354.04x = 81,437,384.37
  5. Step 5: Solve for x
    x = 81,437,384.37/11,354.04
  6. Step 6: Final answer
    x = 7,172.55

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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.