Home / 19,895.76-29,824.20-12,476.16

Finding the Fourth Proportional to 19,895.76, 29,824.20 and 12,476.16

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Solution

The fourth proportional to 19,895.76, 29,824.20 and 12,476.16 is: 18,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.76 : 29,824.20 = 12,476.16 : x
  2. Step 2: Convert to fraction form
    19,895.76/29,824.20 = 12,476.16/x
  3. Step 3: Cross multiply
    19,895.76x = 29,824.20 × 12,476.16
  4. Step 4: Simplify right side
    19,895.76x = 372,091,491.07
  5. Step 5: Solve for x
    x = 372,091,491.07/19,895.76
  6. Step 6: Final answer
    x = 18,702.05

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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.