Home / 9,145.53-13,710.28-4,399.32

Finding the Fourth Proportional to 9,145.53, 13,710.28 and 4,399.32

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Solution

The fourth proportional to 9,145.53, 13,710.28 and 4,399.32 is: 6,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.53 : 13,710.28 = 4,399.32 : x
  2. Step 2: Convert to fraction form
    9,145.53/13,710.28 = 4,399.32/x
  3. Step 3: Cross multiply
    9,145.53x = 13,710.28 × 4,399.32
  4. Step 4: Simplify right side
    9,145.53x = 60,315,909.01
  5. Step 5: Solve for x
    x = 60,315,909.01/9,145.53
  6. Step 6: Final answer
    x = 6,595.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.