Home / 15,509.50-23,250.44-7,178.08

Finding the Fourth Proportional to 15,509.50, 23,250.44 and 7,178.08

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Solution

The fourth proportional to 15,509.50, 23,250.44 and 7,178.08 is: 10,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509.50 : 23,250.44 = 7,178.08 : x
  2. Step 2: Convert to fraction form
    15,509.50/23,250.44 = 7,178.08/x
  3. Step 3: Cross multiply
    15,509.50x = 23,250.44 × 7,178.08
  4. Step 4: Simplify right side
    15,509.50x = 166,893,366.21
  5. Step 5: Solve for x
    x = 166,893,366.21/15,509.50
  6. Step 6: Final answer
    x = 10,760.72

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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.