Home / 22,457.09-30,991.53-12,248.68

Finding the Fourth Proportional to 22,457.09, 30,991.53 and 12,248.68

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Solution

The fourth proportional to 22,457.09, 30,991.53 and 12,248.68 is: 16,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,457.09 : 30,991.53 = 12,248.68 : x
  2. Step 2: Convert to fraction form
    22,457.09/30,991.53 = 12,248.68/x
  3. Step 3: Cross multiply
    22,457.09x = 30,991.53 × 12,248.68
  4. Step 4: Simplify right side
    22,457.09x = 379,605,178.72
  5. Step 5: Solve for x
    x = 379,605,178.72/22,457.09
  6. Step 6: Final answer
    x = 16,903.58

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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.