Home / 21,426.60-32,130.30-9,733.80

Finding the Fourth Proportional to 21,426.60, 32,130.30 and 9,733.80

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Solution

The fourth proportional to 21,426.60, 32,130.30 and 9,733.80 is: 14,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426.60 : 32,130.30 = 9,733.80 : x
  2. Step 2: Convert to fraction form
    21,426.60/32,130.30 = 9,733.80/x
  3. Step 3: Cross multiply
    21,426.60x = 32,130.30 × 9,733.80
  4. Step 4: Simplify right side
    21,426.60x = 312,749,914.14
  5. Step 5: Solve for x
    x = 312,749,914.14/21,426.60
  6. Step 6: Final answer
    x = 14,596.34

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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.