Home / 15,353.32-23,013.37-7,439.08

Finding the Fourth Proportional to 15,353.32, 23,013.37 and 7,439.08

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Solution

The fourth proportional to 15,353.32, 23,013.37 and 7,439.08 is: 11,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353.32 : 23,013.37 = 7,439.08 : x
  2. Step 2: Convert to fraction form
    15,353.32/23,013.37 = 7,439.08/x
  3. Step 3: Cross multiply
    15,353.32x = 23,013.37 × 7,439.08
  4. Step 4: Simplify right side
    15,353.32x = 171,198,300.50
  5. Step 5: Solve for x
    x = 171,198,300.50/15,353.32
  6. Step 6: Final answer
    x = 11,150.57

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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.