Home / 21,498.12-29,586.60-18,184.41

Finding the Fourth Proportional to 21,498.12, 29,586.60 and 18,184.41

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Solution

The fourth proportional to 21,498.12, 29,586.60 and 18,184.41 is: 25,026.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498.12 : 29,586.60 = 18,184.41 : x
  2. Step 2: Convert to fraction form
    21,498.12/29,586.60 = 18,184.41/x
  3. Step 3: Cross multiply
    21,498.12x = 29,586.60 × 18,184.41
  4. Step 4: Simplify right side
    21,498.12x = 538,014,864.91
  5. Step 5: Solve for x
    x = 538,014,864.91/21,498.12
  6. Step 6: Final answer
    x = 25,026.14

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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.