Home / 11,195.84-16,779.16-4,615.40

Finding the Fourth Proportional to 11,195.84, 16,779.16 and 4,615.40

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Solution

The fourth proportional to 11,195.84, 16,779.16 and 4,615.40 is: 6,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.84 : 16,779.16 = 4,615.40 : x
  2. Step 2: Convert to fraction form
    11,195.84/16,779.16 = 4,615.40/x
  3. Step 3: Cross multiply
    11,195.84x = 16,779.16 × 4,615.40
  4. Step 4: Simplify right side
    11,195.84x = 77,442,535.06
  5. Step 5: Solve for x
    x = 77,442,535.06/11,195.84
  6. Step 6: Final answer
    x = 6,917.08

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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.