Home / 19,960.08-29,937.24-7,478.40

Finding the Fourth Proportional to 19,960.08, 29,937.24 and 7,478.40

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Solution

The fourth proportional to 19,960.08, 29,937.24 and 7,478.40 is: 11,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.08 : 29,937.24 = 7,478.40 : x
  2. Step 2: Convert to fraction form
    19,960.08/29,937.24 = 7,478.40/x
  3. Step 3: Cross multiply
    19,960.08x = 29,937.24 × 7,478.40
  4. Step 4: Simplify right side
    19,960.08x = 223,882,655.62
  5. Step 5: Solve for x
    x = 223,882,655.62/19,960.08
  6. Step 6: Final answer
    x = 11,216.52

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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.