Home / 13,013.06-17,957.84-7,347.92

Finding the Fourth Proportional to 13,013.06, 17,957.84 and 7,347.92

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Solution

The fourth proportional to 13,013.06, 17,957.84 and 7,347.92 is: 10,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.06 : 17,957.84 = 7,347.92 : x
  2. Step 2: Convert to fraction form
    13,013.06/17,957.84 = 7,347.92/x
  3. Step 3: Cross multiply
    13,013.06x = 17,957.84 × 7,347.92
  4. Step 4: Simplify right side
    13,013.06x = 131,952,771.69
  5. Step 5: Solve for x
    x = 131,952,771.69/13,013.06
  6. Step 6: Final answer
    x = 10,140.03

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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.