Home / 15,918.40-23,877.60-4,232.80

Finding the Fourth Proportional to 15,918.40, 23,877.60 and 4,232.80

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Solution

The fourth proportional to 15,918.40, 23,877.60 and 4,232.80 is: 6,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.40 : 23,877.60 = 4,232.80 : x
  2. Step 2: Convert to fraction form
    15,918.40/23,877.60 = 4,232.80/x
  3. Step 3: Cross multiply
    15,918.40x = 23,877.60 × 4,232.80
  4. Step 4: Simplify right side
    15,918.40x = 101,069,105.28
  5. Step 5: Solve for x
    x = 101,069,105.28/15,918.40
  6. Step 6: Final answer
    x = 6,349.20

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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.