Home / 13,782.08-20,676.08-4,547.36

Finding the Fourth Proportional to 13,782.08, 20,676.08 and 4,547.36

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Solution

The fourth proportional to 13,782.08, 20,676.08 and 4,547.36 is: 6,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782.08 : 20,676.08 = 4,547.36 : x
  2. Step 2: Convert to fraction form
    13,782.08/20,676.08 = 4,547.36/x
  3. Step 3: Cross multiply
    13,782.08x = 20,676.08 × 4,547.36
  4. Step 4: Simplify right side
    13,782.08x = 94,021,579.15
  5. Step 5: Solve for x
    x = 94,021,579.15/13,782.08
  6. Step 6: Final answer
    x = 6,822.02

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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.