Home / 19,869.50-29,807.02-6,718.34

Finding the Fourth Proportional to 19,869.50, 29,807.02 and 6,718.34

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Solution

The fourth proportional to 19,869.50, 29,807.02 and 6,718.34 is: 10,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.50 : 29,807.02 = 6,718.34 : x
  2. Step 2: Convert to fraction form
    19,869.50/29,807.02 = 6,718.34/x
  3. Step 3: Cross multiply
    19,869.50x = 29,807.02 × 6,718.34
  4. Step 4: Simplify right side
    19,869.50x = 200,253,777.66
  5. Step 5: Solve for x
    x = 200,253,777.66/19,869.50
  6. Step 6: Final answer
    x = 10,078.45

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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.