Home / 19,621.08-29,402.68-11,607.57

Finding the Fourth Proportional to 19,621.08, 29,402.68 and 11,607.57

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Solution

The fourth proportional to 19,621.08, 29,402.68 and 11,607.57 is: 17,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.08 : 29,402.68 = 11,607.57 : x
  2. Step 2: Convert to fraction form
    19,621.08/29,402.68 = 11,607.57/x
  3. Step 3: Cross multiply
    19,621.08x = 29,402.68 × 11,607.57
  4. Step 4: Simplify right side
    19,621.08x = 341,293,461.24
  5. Step 5: Solve for x
    x = 341,293,461.24/19,621.08
  6. Step 6: Final answer
    x = 17,394.22

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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.