Home / 11,890.32-17,835.48-5,730

Finding the Fourth Proportional to 11,890.32, 17,835.48 and 5,730

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Solution

The fourth proportional to 11,890.32, 17,835.48 and 5,730 is: 8,595

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.32 : 17,835.48 = 5,730 : x
  2. Step 2: Convert to fraction form
    11,890.32/17,835.48 = 5,730/x
  3. Step 3: Cross multiply
    11,890.32x = 17,835.48 × 5,730
  4. Step 4: Simplify right side
    11,890.32x = 102,197,300.40
  5. Step 5: Solve for x
    x = 102,197,300.40/11,890.32
  6. Step 6: Final answer
    x = 8,595

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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.