Home / 8,708.04-13,032.90-7,147.98

Finding the Fourth Proportional to 8,708.04, 13,032.90 and 7,147.98

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Solution

The fourth proportional to 8,708.04, 13,032.90 and 7,147.98 is: 10,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.04 : 13,032.90 = 7,147.98 : x
  2. Step 2: Convert to fraction form
    8,708.04/13,032.90 = 7,147.98/x
  3. Step 3: Cross multiply
    8,708.04x = 13,032.90 × 7,147.98
  4. Step 4: Simplify right side
    8,708.04x = 93,158,908.54
  5. Step 5: Solve for x
    x = 93,158,908.54/8,708.04
  6. Step 6: Final answer
    x = 10,698.03

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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.