Home / 21,463.74-29,615.76-11,903.24

Finding the Fourth Proportional to 21,463.74, 29,615.76 and 11,903.24

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Solution

The fourth proportional to 21,463.74, 29,615.76 and 11,903.24 is: 16,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.74 : 29,615.76 = 11,903.24 : x
  2. Step 2: Convert to fraction form
    21,463.74/29,615.76 = 11,903.24/x
  3. Step 3: Cross multiply
    21,463.74x = 29,615.76 × 11,903.24
  4. Step 4: Simplify right side
    21,463.74x = 352,523,573.10
  5. Step 5: Solve for x
    x = 352,523,573.10/21,463.74
  6. Step 6: Final answer
    x = 16,424.14

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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.