Home / 15,315.76-22,942.89-6,984.31

Finding the Fourth Proportional to 15,315.76, 22,942.89 and 6,984.31

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Solution

The fourth proportional to 15,315.76, 22,942.89 and 6,984.31 is: 10,462.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315.76 : 22,942.89 = 6,984.31 : x
  2. Step 2: Convert to fraction form
    15,315.76/22,942.89 = 6,984.31/x
  3. Step 3: Cross multiply
    15,315.76x = 22,942.89 × 6,984.31
  4. Step 4: Simplify right side
    15,315.76x = 160,240,256.06
  5. Step 5: Solve for x
    x = 160,240,256.06/15,315.76
  6. Step 6: Final answer
    x = 10,462.44

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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.