Home / 11,352.40-15,666.77-6,873.63

Finding the Fourth Proportional to 11,352.40, 15,666.77 and 6,873.63

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Solution

The fourth proportional to 11,352.40, 15,666.77 and 6,873.63 is: 9,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.40 : 15,666.77 = 6,873.63 : x
  2. Step 2: Convert to fraction form
    11,352.40/15,666.77 = 6,873.63/x
  3. Step 3: Cross multiply
    11,352.40x = 15,666.77 × 6,873.63
  4. Step 4: Simplify right side
    11,352.40x = 107,687,580.28
  5. Step 5: Solve for x
    x = 107,687,580.28/11,352.40
  6. Step 6: Final answer
    x = 9,485.89

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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.