Home / 13,018.40-17,965.16-7,050.02

Finding the Fourth Proportional to 13,018.40, 17,965.16 and 7,050.02

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Solution

The fourth proportional to 13,018.40, 17,965.16 and 7,050.02 is: 9,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.40 : 17,965.16 = 7,050.02 : x
  2. Step 2: Convert to fraction form
    13,018.40/17,965.16 = 7,050.02/x
  3. Step 3: Cross multiply
    13,018.40x = 17,965.16 × 7,050.02
  4. Step 4: Simplify right side
    13,018.40x = 126,654,737.30
  5. Step 5: Solve for x
    x = 126,654,737.30/13,018.40
  6. Step 6: Final answer
    x = 9,728.90

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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.