Home / 10,539.28-14,542.90-6,561.68

Finding the Fourth Proportional to 10,539.28, 14,542.90 and 6,561.68

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Solution

The fourth proportional to 10,539.28, 14,542.90 and 6,561.68 is: 9,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.28 : 14,542.90 = 6,561.68 : x
  2. Step 2: Convert to fraction form
    10,539.28/14,542.90 = 6,561.68/x
  3. Step 3: Cross multiply
    10,539.28x = 14,542.90 × 6,561.68
  4. Step 4: Simplify right side
    10,539.28x = 95,425,856.07
  5. Step 5: Solve for x
    x = 95,425,856.07/10,539.28
  6. Step 6: Final answer
    x = 9,054.31

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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.