Home / 19,828.02-29,746.08-8,141.34

Finding the Fourth Proportional to 19,828.02, 29,746.08 and 8,141.34

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Solution

The fourth proportional to 19,828.02, 29,746.08 and 8,141.34 is: 12,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.02 : 29,746.08 = 8,141.34 : x
  2. Step 2: Convert to fraction form
    19,828.02/29,746.08 = 8,141.34/x
  3. Step 3: Cross multiply
    19,828.02x = 29,746.08 × 8,141.34
  4. Step 4: Simplify right side
    19,828.02x = 242,172,950.95
  5. Step 5: Solve for x
    x = 242,172,950.95/19,828.02
  6. Step 6: Final answer
    x = 12,213.67

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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.