Home / 15,776.02-23,666.82-5,385.34

Finding the Fourth Proportional to 15,776.02, 23,666.82 and 5,385.34

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Solution

The fourth proportional to 15,776.02, 23,666.82 and 5,385.34 is: 8,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776.02 : 23,666.82 = 5,385.34 : x
  2. Step 2: Convert to fraction form
    15,776.02/23,666.82 = 5,385.34/x
  3. Step 3: Cross multiply
    15,776.02x = 23,666.82 × 5,385.34
  4. Step 4: Simplify right side
    15,776.02x = 127,453,872.42
  5. Step 5: Solve for x
    x = 127,453,872.42/15,776.02
  6. Step 6: Final answer
    x = 8,078.96

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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.