Home / 21,558.04-32,336.74-11,759.72

Finding the Fourth Proportional to 21,558.04, 32,336.74 and 11,759.72

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Solution

The fourth proportional to 21,558.04, 32,336.74 and 11,759.72 is: 17,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558.04 : 32,336.74 = 11,759.72 : x
  2. Step 2: Convert to fraction form
    21,558.04/32,336.74 = 11,759.72/x
  3. Step 3: Cross multiply
    21,558.04x = 32,336.74 × 11,759.72
  4. Step 4: Simplify right side
    21,558.04x = 380,271,008.11
  5. Step 5: Solve for x
    x = 380,271,008.11/21,558.04
  6. Step 6: Final answer
    x = 17,639.41

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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.