Home / 21,293.24-29,384.24-12,340.51

Finding the Fourth Proportional to 21,293.24, 29,384.24 and 12,340.51

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Solution

The fourth proportional to 21,293.24, 29,384.24 and 12,340.51 is: 17,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.24 : 29,384.24 = 12,340.51 : x
  2. Step 2: Convert to fraction form
    21,293.24/29,384.24 = 12,340.51/x
  3. Step 3: Cross multiply
    21,293.24x = 29,384.24 × 12,340.51
  4. Step 4: Simplify right side
    21,293.24x = 362,616,372.40
  5. Step 5: Solve for x
    x = 362,616,372.40/21,293.24
  6. Step 6: Final answer
    x = 17,029.65

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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.