Home / 20,303.96-30,457.08-7,653.56

Finding the Fourth Proportional to 20,303.96, 30,457.08 and 7,653.56

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Solution

The fourth proportional to 20,303.96, 30,457.08 and 7,653.56 is: 11,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.96 : 30,457.08 = 7,653.56 : x
  2. Step 2: Convert to fraction form
    20,303.96/30,457.08 = 7,653.56/x
  3. Step 3: Cross multiply
    20,303.96x = 30,457.08 × 7,653.56
  4. Step 4: Simplify right side
    20,303.96x = 233,105,089.20
  5. Step 5: Solve for x
    x = 233,105,089.20/20,303.96
  6. Step 6: Final answer
    x = 11,480.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.