Home / 10,457.40-14,429.20-5,982.56

Finding the Fourth Proportional to 10,457.40, 14,429.20 and 5,982.56

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Solution

The fourth proportional to 10,457.40, 14,429.20 and 5,982.56 is: 8,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.40 : 14,429.20 = 5,982.56 : x
  2. Step 2: Convert to fraction form
    10,457.40/14,429.20 = 5,982.56/x
  3. Step 3: Cross multiply
    10,457.40x = 14,429.20 × 5,982.56
  4. Step 4: Simplify right side
    10,457.40x = 86,323,554.75
  5. Step 5: Solve for x
    x = 86,323,554.75/10,457.40
  6. Step 6: Final answer
    x = 8,254.78

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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.