Home / 10,539.96-14,542.85-6,289.08

Finding the Fourth Proportional to 10,539.96, 14,542.85 and 6,289.08

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Solution

The fourth proportional to 10,539.96, 14,542.85 and 6,289.08 is: 8,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.96 : 14,542.85 = 6,289.08 : x
  2. Step 2: Convert to fraction form
    10,539.96/14,542.85 = 6,289.08/x
  3. Step 3: Cross multiply
    10,539.96x = 14,542.85 × 6,289.08
  4. Step 4: Simplify right side
    10,539.96x = 91,461,147.08
  5. Step 5: Solve for x
    x = 91,461,147.08/10,539.96
  6. Step 6: Final answer
    x = 8,677.56

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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.