Home / 19,790.02-29,684.85-8,693.92

Finding the Fourth Proportional to 19,790.02, 29,684.85 and 8,693.92

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Solution

The fourth proportional to 19,790.02, 29,684.85 and 8,693.92 is: 13,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.02 : 29,684.85 = 8,693.92 : x
  2. Step 2: Convert to fraction form
    19,790.02/29,684.85 = 8,693.92/x
  3. Step 3: Cross multiply
    19,790.02x = 29,684.85 × 8,693.92
  4. Step 4: Simplify right side
    19,790.02x = 258,077,711.11
  5. Step 5: Solve for x
    x = 258,077,711.11/19,790.02
  6. Step 6: Final answer
    x = 13,040.80

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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.