Home / 9,655.16-13,323.12-5,405.92

Finding the Fourth Proportional to 9,655.16, 13,323.12 and 5,405.92

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Solution

The fourth proportional to 9,655.16, 13,323.12 and 5,405.92 is: 7,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.16 : 13,323.12 = 5,405.92 : x
  2. Step 2: Convert to fraction form
    9,655.16/13,323.12 = 5,405.92/x
  3. Step 3: Cross multiply
    9,655.16x = 13,323.12 × 5,405.92
  4. Step 4: Simplify right side
    9,655.16x = 72,023,720.87
  5. Step 5: Solve for x
    x = 72,023,720.87/9,655.16
  6. Step 6: Final answer
    x = 7,459.61

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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.