Home / 21,339.04-32,015.41-8,865.04

Finding the Fourth Proportional to 21,339.04, 32,015.41 and 8,865.04

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Solution

The fourth proportional to 21,339.04, 32,015.41 and 8,865.04 is: 13,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339.04 : 32,015.41 = 8,865.04 : x
  2. Step 2: Convert to fraction form
    21,339.04/32,015.41 = 8,865.04/x
  3. Step 3: Cross multiply
    21,339.04x = 32,015.41 × 8,865.04
  4. Step 4: Simplify right side
    21,339.04x = 283,817,890.27
  5. Step 5: Solve for x
    x = 283,817,890.27/21,339.04
  6. Step 6: Final answer
    x = 13,300.41

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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.