Home / 15,491.14-23,220.75-6,127.36

Finding the Fourth Proportional to 15,491.14, 23,220.75 and 6,127.36

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Solution

The fourth proportional to 15,491.14, 23,220.75 and 6,127.36 is: 9,184.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.14 : 23,220.75 = 6,127.36 : x
  2. Step 2: Convert to fraction form
    15,491.14/23,220.75 = 6,127.36/x
  3. Step 3: Cross multiply
    15,491.14x = 23,220.75 × 6,127.36
  4. Step 4: Simplify right side
    15,491.14x = 142,281,894.72
  5. Step 5: Solve for x
    x = 142,281,894.72/15,491.14
  6. Step 6: Final answer
    x = 9,184.73

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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.