Home / 21,296.04-29,388.54-12,345.24

Finding the Fourth Proportional to 21,296.04, 29,388.54 and 12,345.24

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Solution

The fourth proportional to 21,296.04, 29,388.54 and 12,345.24 is: 17,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,296.04 : 29,388.54 = 12,345.24 : x
  2. Step 2: Convert to fraction form
    21,296.04/29,388.54 = 12,345.24/x
  3. Step 3: Cross multiply
    21,296.04x = 29,388.54 × 12,345.24
  4. Step 4: Simplify right side
    21,296.04x = 362,808,579.55
  5. Step 5: Solve for x
    x = 362,808,579.55/21,296.04
  6. Step 6: Final answer
    x = 17,036.43

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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.