Home / 9,142.48-13,703.35-4,201.91

Finding the Fourth Proportional to 9,142.48, 13,703.35 and 4,201.91

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Solution

The fourth proportional to 9,142.48, 13,703.35 and 4,201.91 is: 6,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.48 : 13,703.35 = 4,201.91 : x
  2. Step 2: Convert to fraction form
    9,142.48/13,703.35 = 4,201.91/x
  3. Step 3: Cross multiply
    9,142.48x = 13,703.35 × 4,201.91
  4. Step 4: Simplify right side
    9,142.48x = 57,580,243.40
  5. Step 5: Solve for x
    x = 57,580,243.40/9,142.48
  6. Step 6: Final answer
    x = 6,298.10

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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.