Home / 21,293.04-29,384.40-12,342.24

Finding the Fourth Proportional to 21,293.04, 29,384.40 and 12,342.24

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Solution

The fourth proportional to 21,293.04, 29,384.40 and 12,342.24 is: 17,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.04 : 29,384.40 = 12,342.24 : x
  2. Step 2: Convert to fraction form
    21,293.04/29,384.40 = 12,342.24/x
  3. Step 3: Cross multiply
    21,293.04x = 29,384.40 × 12,342.24
  4. Step 4: Simplify right side
    21,293.04x = 362,669,317.06
  5. Step 5: Solve for x
    x = 362,669,317.06/21,293.04
  6. Step 6: Final answer
    x = 17,032.29

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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.