Home / 10,539.21-14,543.62-6,507.84

Finding the Fourth Proportional to 10,539.21, 14,543.62 and 6,507.84

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Solution

The fourth proportional to 10,539.21, 14,543.62 and 6,507.84 is: 8,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.21 : 14,543.62 = 6,507.84 : x
  2. Step 2: Convert to fraction form
    10,539.21/14,543.62 = 6,507.84/x
  3. Step 3: Cross multiply
    10,539.21x = 14,543.62 × 6,507.84
  4. Step 4: Simplify right side
    10,539.21x = 94,647,551.98
  5. Step 5: Solve for x
    x = 94,647,551.98/10,539.21
  6. Step 6: Final answer
    x = 8,980.52

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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.