Home / 21,511.14-32,266.63-14,113.81

Finding the Fourth Proportional to 21,511.14, 32,266.63 and 14,113.81

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Solution

The fourth proportional to 21,511.14, 32,266.63 and 14,113.81 is: 21,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.14 : 32,266.63 = 14,113.81 : x
  2. Step 2: Convert to fraction form
    21,511.14/32,266.63 = 14,113.81/x
  3. Step 3: Cross multiply
    21,511.14x = 32,266.63 × 14,113.81
  4. Step 4: Simplify right side
    21,511.14x = 455,405,085.16
  5. Step 5: Solve for x
    x = 455,405,085.16/21,511.14
  6. Step 6: Final answer
    x = 21,170.66

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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.