Home / 15,240.24-22,860.64-6,918.72

Finding the Fourth Proportional to 15,240.24, 22,860.64 and 6,918.72

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Solution

The fourth proportional to 15,240.24, 22,860.64 and 6,918.72 is: 10,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.24 : 22,860.64 = 6,918.72 : x
  2. Step 2: Convert to fraction form
    15,240.24/22,860.64 = 6,918.72/x
  3. Step 3: Cross multiply
    15,240.24x = 22,860.64 × 6,918.72
  4. Step 4: Simplify right side
    15,240.24x = 158,166,367.18
  5. Step 5: Solve for x
    x = 158,166,367.18/15,240.24
  6. Step 6: Final answer
    x = 10,378.21

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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.