Home / 15,457.16-21,324.85-10,085.92

Finding the Fourth Proportional to 15,457.16, 21,324.85 and 10,085.92

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Solution

The fourth proportional to 15,457.16, 21,324.85 and 10,085.92 is: 13,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457.16 : 21,324.85 = 10,085.92 : x
  2. Step 2: Convert to fraction form
    15,457.16/21,324.85 = 10,085.92/x
  3. Step 3: Cross multiply
    15,457.16x = 21,324.85 × 10,085.92
  4. Step 4: Simplify right side
    15,457.16x = 215,080,652.59
  5. Step 5: Solve for x
    x = 215,080,652.59/15,457.16
  6. Step 6: Final answer
    x = 13,914.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.