Home / 19,484.80-29,238.10-7,798.92

Finding the Fourth Proportional to 19,484.80, 29,238.10 and 7,798.92

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Solution

The fourth proportional to 19,484.80, 29,238.10 and 7,798.92 is: 11,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.80 : 29,238.10 = 7,798.92 : x
  2. Step 2: Convert to fraction form
    19,484.80/29,238.10 = 7,798.92/x
  3. Step 3: Cross multiply
    19,484.80x = 29,238.10 × 7,798.92
  4. Step 4: Simplify right side
    19,484.80x = 228,025,602.85
  5. Step 5: Solve for x
    x = 228,025,602.85/19,484.80
  6. Step 6: Final answer
    x = 11,702.74

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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.