Home / 21,506.40-32,228.34-9,483.93

Finding the Fourth Proportional to 21,506.40, 32,228.34 and 9,483.93

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Solution

The fourth proportional to 21,506.40, 32,228.34 and 9,483.93 is: 14,212.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506.40 : 32,228.34 = 9,483.93 : x
  2. Step 2: Convert to fraction form
    21,506.40/32,228.34 = 9,483.93/x
  3. Step 3: Cross multiply
    21,506.40x = 32,228.34 × 9,483.93
  4. Step 4: Simplify right side
    21,506.40x = 305,651,320.58
  5. Step 5: Solve for x
    x = 305,651,320.58/21,506.40
  6. Step 6: Final answer
    x = 14,212.11

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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.