Home / 13,779.77-18,992.93-10,548.48

Finding the Fourth Proportional to 13,779.77, 18,992.93 and 10,548.48

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Solution

The fourth proportional to 13,779.77, 18,992.93 and 10,548.48 is: 14,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.77 : 18,992.93 = 10,548.48 : x
  2. Step 2: Convert to fraction form
    13,779.77/18,992.93 = 10,548.48/x
  3. Step 3: Cross multiply
    13,779.77x = 18,992.93 × 10,548.48
  4. Step 4: Simplify right side
    13,779.77x = 200,346,513.23
  5. Step 5: Solve for x
    x = 200,346,513.23/13,779.77
  6. Step 6: Final answer
    x = 14,539.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.