Home / 9,486.11-13,089.80-5,506.58

Finding the Fourth Proportional to 9,486.11, 13,089.80 and 5,506.58

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Solution

The fourth proportional to 9,486.11, 13,089.80 and 5,506.58 is: 7,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,486.11 : 13,089.80 = 5,506.58 : x
  2. Step 2: Convert to fraction form
    9,486.11/13,089.80 = 5,506.58/x
  3. Step 3: Cross multiply
    9,486.11x = 13,089.80 × 5,506.58
  4. Step 4: Simplify right side
    9,486.11x = 72,080,077.37
  5. Step 5: Solve for x
    x = 72,080,077.37/9,486.11
  6. Step 6: Final answer
    x = 7,598.48

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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.