Home / 9,909.04-13,675.08-5,717.56

Finding the Fourth Proportional to 9,909.04, 13,675.08 and 5,717.56

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Solution

The fourth proportional to 9,909.04, 13,675.08 and 5,717.56 is: 7,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.04 : 13,675.08 = 5,717.56 : x
  2. Step 2: Convert to fraction form
    9,909.04/13,675.08 = 5,717.56/x
  3. Step 3: Cross multiply
    9,909.04x = 13,675.08 × 5,717.56
  4. Step 4: Simplify right side
    9,909.04x = 78,188,090.40
  5. Step 5: Solve for x
    x = 78,188,090.40/9,909.04
  6. Step 6: Final answer
    x = 7,890.58

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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.