Home / 9,837.35-13,575.09-5,360.95

Finding the Fourth Proportional to 9,837.35, 13,575.09 and 5,360.95

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Solution

The fourth proportional to 9,837.35, 13,575.09 and 5,360.95 is: 7,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,837.35 : 13,575.09 = 5,360.95 : x
  2. Step 2: Convert to fraction form
    9,837.35/13,575.09 = 5,360.95/x
  3. Step 3: Cross multiply
    9,837.35x = 13,575.09 × 5,360.95
  4. Step 4: Simplify right side
    9,837.35x = 72,775,415.81
  5. Step 5: Solve for x
    x = 72,775,415.81/9,837.35
  6. Step 6: Final answer
    x = 7,397.87

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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.