Home / 19,639.26-29,463.51-6,491.63

Finding the Fourth Proportional to 19,639.26, 29,463.51 and 6,491.63

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Solution

The fourth proportional to 19,639.26, 29,463.51 and 6,491.63 is: 9,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.26 : 29,463.51 = 6,491.63 : x
  2. Step 2: Convert to fraction form
    19,639.26/29,463.51 = 6,491.63/x
  3. Step 3: Cross multiply
    19,639.26x = 29,463.51 × 6,491.63
  4. Step 4: Simplify right side
    19,639.26x = 191,266,334.32
  5. Step 5: Solve for x
    x = 191,266,334.32/19,639.26
  6. Step 6: Final answer
    x = 9,738.98

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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.