Home / 19,247.90-28,869.96-13,047.74

Finding the Fourth Proportional to 19,247.90, 28,869.96 and 13,047.74

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Solution

The fourth proportional to 19,247.90, 28,869.96 and 13,047.74 is: 19,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.90 : 28,869.96 = 13,047.74 : x
  2. Step 2: Convert to fraction form
    19,247.90/28,869.96 = 13,047.74/x
  3. Step 3: Cross multiply
    19,247.90x = 28,869.96 × 13,047.74
  4. Step 4: Simplify right side
    19,247.90x = 376,687,731.89
  5. Step 5: Solve for x
    x = 376,687,731.89/19,247.90
  6. Step 6: Final answer
    x = 19,570.33

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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.