Home / 19,476.60-29,204.10-8,381.40

Finding the Fourth Proportional to 19,476.60, 29,204.10 and 8,381.40

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Solution

The fourth proportional to 19,476.60, 29,204.10 and 8,381.40 is: 12,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.60 : 29,204.10 = 8,381.40 : x
  2. Step 2: Convert to fraction form
    19,476.60/29,204.10 = 8,381.40/x
  3. Step 3: Cross multiply
    19,476.60x = 29,204.10 × 8,381.40
  4. Step 4: Simplify right side
    19,476.60x = 244,771,243.74
  5. Step 5: Solve for x
    x = 244,771,243.74/19,476.60
  6. Step 6: Final answer
    x = 12,567.45

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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.