Home / 13,050.48-18,009.52-7,082.28

Finding the Fourth Proportional to 13,050.48, 18,009.52 and 7,082.28

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Solution

The fourth proportional to 13,050.48, 18,009.52 and 7,082.28 is: 9,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.48 : 18,009.52 = 7,082.28 : x
  2. Step 2: Convert to fraction form
    13,050.48/18,009.52 = 7,082.28/x
  3. Step 3: Cross multiply
    13,050.48x = 18,009.52 × 7,082.28
  4. Step 4: Simplify right side
    13,050.48x = 127,548,463.31
  5. Step 5: Solve for x
    x = 127,548,463.31/13,050.48
  6. Step 6: Final answer
    x = 9,773.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.