Home / 19,461.03-29,191.58-5,421.11

Finding the Fourth Proportional to 19,461.03, 29,191.58 and 5,421.11

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Solution

The fourth proportional to 19,461.03, 29,191.58 and 5,421.11 is: 8,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.03 : 29,191.58 = 5,421.11 : x
  2. Step 2: Convert to fraction form
    19,461.03/29,191.58 = 5,421.11/x
  3. Step 3: Cross multiply
    19,461.03x = 29,191.58 × 5,421.11
  4. Step 4: Simplify right side
    19,461.03x = 158,250,593.19
  5. Step 5: Solve for x
    x = 158,250,593.19/19,461.03
  6. Step 6: Final answer
    x = 8,131.67

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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.