Home / 21,803.69-32,689.13-11,262.35

Finding the Fourth Proportional to 21,803.69, 32,689.13 and 11,262.35

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Solution

The fourth proportional to 21,803.69, 32,689.13 and 11,262.35 is: 16,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,803.69 : 32,689.13 = 11,262.35 : x
  2. Step 2: Convert to fraction form
    21,803.69/32,689.13 = 11,262.35/x
  3. Step 3: Cross multiply
    21,803.69x = 32,689.13 × 11,262.35
  4. Step 4: Simplify right side
    21,803.69x = 368,156,203.50
  5. Step 5: Solve for x
    x = 368,156,203.50/21,803.69
  6. Step 6: Final answer
    x = 16,885.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.