Home / 21,475.04-29,634.99-11,784.47

Finding the Fourth Proportional to 21,475.04, 29,634.99 and 11,784.47

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Solution

The fourth proportional to 21,475.04, 29,634.99 and 11,784.47 is: 16,262.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.04 : 29,634.99 = 11,784.47 : x
  2. Step 2: Convert to fraction form
    21,475.04/29,634.99 = 11,784.47/x
  3. Step 3: Cross multiply
    21,475.04x = 29,634.99 × 11,784.47
  4. Step 4: Simplify right side
    21,475.04x = 349,232,443.51
  5. Step 5: Solve for x
    x = 349,232,443.51/21,475.04
  6. Step 6: Final answer
    x = 16,262.25

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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.