Home / 19,790.02-29,684.72-7,946.81

Finding the Fourth Proportional to 19,790.02, 29,684.72 and 7,946.81

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Solution

The fourth proportional to 19,790.02, 29,684.72 and 7,946.81 is: 11,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.02 : 29,684.72 = 7,946.81 : x
  2. Step 2: Convert to fraction form
    19,790.02/29,684.72 = 7,946.81/x
  3. Step 3: Cross multiply
    19,790.02x = 29,684.72 × 7,946.81
  4. Step 4: Simplify right side
    19,790.02x = 235,898,701.19
  5. Step 5: Solve for x
    x = 235,898,701.19/19,790.02
  6. Step 6: Final answer
    x = 11,920.09

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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.