Home / 19,461.29-29,191.96-5,421.36

Finding the Fourth Proportional to 19,461.29, 29,191.96 and 5,421.36

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Solution

The fourth proportional to 19,461.29, 29,191.96 and 5,421.36 is: 8,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.29 : 29,191.96 = 5,421.36 : x
  2. Step 2: Convert to fraction form
    19,461.29/29,191.96 = 5,421.36/x
  3. Step 3: Cross multiply
    19,461.29x = 29,191.96 × 5,421.36
  4. Step 4: Simplify right side
    19,461.29x = 158,260,124.27
  5. Step 5: Solve for x
    x = 158,260,124.27/19,461.29
  6. Step 6: Final answer
    x = 8,132.05

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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.