Home / 10,320.12-14,241.96-6,130.80

Finding the Fourth Proportional to 10,320.12, 14,241.96 and 6,130.80

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Solution

The fourth proportional to 10,320.12, 14,241.96 and 6,130.80 is: 8,460.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.12 : 14,241.96 = 6,130.80 : x
  2. Step 2: Convert to fraction form
    10,320.12/14,241.96 = 6,130.80/x
  3. Step 3: Cross multiply
    10,320.12x = 14,241.96 × 6,130.80
  4. Step 4: Simplify right side
    10,320.12x = 87,314,608.37
  5. Step 5: Solve for x
    x = 87,314,608.37/10,320.12
  6. Step 6: Final answer
    x = 8,460.62

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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.