Home / 15,472.13-23,208.39-4,378.64

Finding the Fourth Proportional to 15,472.13, 23,208.39 and 4,378.64

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Solution

The fourth proportional to 15,472.13, 23,208.39 and 4,378.64 is: 6,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.13 : 23,208.39 = 4,378.64 : x
  2. Step 2: Convert to fraction form
    15,472.13/23,208.39 = 4,378.64/x
  3. Step 3: Cross multiply
    15,472.13x = 23,208.39 × 4,378.64
  4. Step 4: Simplify right side
    15,472.13x = 101,621,068.75
  5. Step 5: Solve for x
    x = 101,621,068.75/15,472.13
  6. Step 6: Final answer
    x = 6,568.01

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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.