Home / 9,799.68-13,484.04-9,566.40

Finding the Fourth Proportional to 9,799.68, 13,484.04 and 9,566.40

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Solution

The fourth proportional to 9,799.68, 13,484.04 and 9,566.40 is: 13,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.68 : 13,484.04 = 9,566.40 : x
  2. Step 2: Convert to fraction form
    9,799.68/13,484.04 = 9,566.40/x
  3. Step 3: Cross multiply
    9,799.68x = 13,484.04 × 9,566.40
  4. Step 4: Simplify right side
    9,799.68x = 128,993,720.26
  5. Step 5: Solve for x
    x = 128,993,720.26/9,799.68
  6. Step 6: Final answer
    x = 13,163.05

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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.