Home / 21,594.40-32,395.68-8,445.94

Finding the Fourth Proportional to 21,594.40, 32,395.68 and 8,445.94

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Solution

The fourth proportional to 21,594.40, 32,395.68 and 8,445.94 is: 12,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.40 : 32,395.68 = 8,445.94 : x
  2. Step 2: Convert to fraction form
    21,594.40/32,395.68 = 8,445.94/x
  3. Step 3: Cross multiply
    21,594.40x = 32,395.68 × 8,445.94
  4. Step 4: Simplify right side
    21,594.40x = 273,611,888.55
  5. Step 5: Solve for x
    x = 273,611,888.55/21,594.40
  6. Step 6: Final answer
    x = 12,670.50

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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.