Home / 19,437.34-29,128.38-8,881.42

Finding the Fourth Proportional to 19,437.34, 29,128.38 and 8,881.42

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Solution

The fourth proportional to 19,437.34, 29,128.38 and 8,881.42 is: 13,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437.34 : 29,128.38 = 8,881.42 : x
  2. Step 2: Convert to fraction form
    19,437.34/29,128.38 = 8,881.42/x
  3. Step 3: Cross multiply
    19,437.34x = 29,128.38 × 8,881.42
  4. Step 4: Simplify right side
    19,437.34x = 258,701,376.70
  5. Step 5: Solve for x
    x = 258,701,376.70/19,437.34
  6. Step 6: Final answer
    x = 13,309.51

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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.