Home / 21,339.90-32,006.16-9,650.40

Finding the Fourth Proportional to 21,339.90, 32,006.16 and 9,650.40

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Solution

The fourth proportional to 21,339.90, 32,006.16 and 9,650.40 is: 14,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339.90 : 32,006.16 = 9,650.40 : x
  2. Step 2: Convert to fraction form
    21,339.90/32,006.16 = 9,650.40/x
  3. Step 3: Cross multiply
    21,339.90x = 32,006.16 × 9,650.40
  4. Step 4: Simplify right side
    21,339.90x = 308,872,246.46
  5. Step 5: Solve for x
    x = 308,872,246.46/21,339.90
  6. Step 6: Final answer
    x = 14,473.93

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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.