Home / 21,254.24-29,328.80-11,822.34

Finding the Fourth Proportional to 21,254.24, 29,328.80 and 11,822.34

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Solution

The fourth proportional to 21,254.24, 29,328.80 and 11,822.34 is: 16,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254.24 : 29,328.80 = 11,822.34 : x
  2. Step 2: Convert to fraction form
    21,254.24/29,328.80 = 11,822.34/x
  3. Step 3: Cross multiply
    21,254.24x = 29,328.80 × 11,822.34
  4. Step 4: Simplify right side
    21,254.24x = 346,735,045.39
  5. Step 5: Solve for x
    x = 346,735,045.39/21,254.24
  6. Step 6: Final answer
    x = 16,313.69

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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.