Home / 19,709.46-27,199.02-12,635.88

Finding the Fourth Proportional to 19,709.46, 27,199.02 and 12,635.88

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Solution

The fourth proportional to 19,709.46, 27,199.02 and 12,635.88 is: 17,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.46 : 27,199.02 = 12,635.88 : x
  2. Step 2: Convert to fraction form
    19,709.46/27,199.02 = 12,635.88/x
  3. Step 3: Cross multiply
    19,709.46x = 27,199.02 × 12,635.88
  4. Step 4: Simplify right side
    19,709.46x = 343,683,552.84
  5. Step 5: Solve for x
    x = 343,683,552.84/19,709.46
  6. Step 6: Final answer
    x = 17,437.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.