Home / 10,563.60-15,845.40-6,128.25

Finding the Fourth Proportional to 10,563.60, 15,845.40 and 6,128.25

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Solution

The fourth proportional to 10,563.60, 15,845.40 and 6,128.25 is: 9,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563.60 : 15,845.40 = 6,128.25 : x
  2. Step 2: Convert to fraction form
    10,563.60/15,845.40 = 6,128.25/x
  3. Step 3: Cross multiply
    10,563.60x = 15,845.40 × 6,128.25
  4. Step 4: Simplify right side
    10,563.60x = 97,104,572.55
  5. Step 5: Solve for x
    x = 97,104,572.55/10,563.60
  6. Step 6: Final answer
    x = 9,192.38

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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.