Home / 21,453.40-32,180.10-10,368.60

Finding the Fourth Proportional to 21,453.40, 32,180.10 and 10,368.60

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Solution

The fourth proportional to 21,453.40, 32,180.10 and 10,368.60 is: 15,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.40 : 32,180.10 = 10,368.60 : x
  2. Step 2: Convert to fraction form
    21,453.40/32,180.10 = 10,368.60/x
  3. Step 3: Cross multiply
    21,453.40x = 32,180.10 × 10,368.60
  4. Step 4: Simplify right side
    21,453.40x = 333,662,584.86
  5. Step 5: Solve for x
    x = 333,662,584.86/21,453.40
  6. Step 6: Final answer
    x = 15,552.90

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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.