Home / 15,591.36-23,386.72-3,904.64

Finding the Fourth Proportional to 15,591.36, 23,386.72 and 3,904.64

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Solution

The fourth proportional to 15,591.36, 23,386.72 and 3,904.64 is: 5,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,591.36 : 23,386.72 = 3,904.64 : x
  2. Step 2: Convert to fraction form
    15,591.36/23,386.72 = 3,904.64/x
  3. Step 3: Cross multiply
    15,591.36x = 23,386.72 × 3,904.64
  4. Step 4: Simplify right side
    15,591.36x = 91,316,722.38
  5. Step 5: Solve for x
    x = 91,316,722.38/15,591.36
  6. Step 6: Final answer
    x = 5,856.88

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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.