Home / 9,555.58-13,186.45-5,306.53

Finding the Fourth Proportional to 9,555.58, 13,186.45 and 5,306.53

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Solution

The fourth proportional to 9,555.58, 13,186.45 and 5,306.53 is: 7,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.58 : 13,186.45 = 5,306.53 : x
  2. Step 2: Convert to fraction form
    9,555.58/13,186.45 = 5,306.53/x
  3. Step 3: Cross multiply
    9,555.58x = 13,186.45 × 5,306.53
  4. Step 4: Simplify right side
    9,555.58x = 69,974,292.52
  5. Step 5: Solve for x
    x = 69,974,292.52/9,555.58
  6. Step 6: Final answer
    x = 7,322.87

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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.