Home / 11,562.42-15,955.96-6,457.88

Finding the Fourth Proportional to 11,562.42, 15,955.96 and 6,457.88

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Solution

The fourth proportional to 11,562.42, 15,955.96 and 6,457.88 is: 8,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,562.42 : 15,955.96 = 6,457.88 : x
  2. Step 2: Convert to fraction form
    11,562.42/15,955.96 = 6,457.88/x
  3. Step 3: Cross multiply
    11,562.42x = 15,955.96 × 6,457.88
  4. Step 4: Simplify right side
    11,562.42x = 103,041,674.96
  5. Step 5: Solve for x
    x = 103,041,674.96/11,562.42
  6. Step 6: Final answer
    x = 8,911.77

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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.