Home / 15,713.34-21,683.61-8,998.62

Finding the Fourth Proportional to 15,713.34, 21,683.61 and 8,998.62

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Solution

The fourth proportional to 15,713.34, 21,683.61 and 8,998.62 is: 12,417.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,713.34 : 21,683.61 = 8,998.62 : x
  2. Step 2: Convert to fraction form
    15,713.34/21,683.61 = 8,998.62/x
  3. Step 3: Cross multiply
    15,713.34x = 21,683.61 × 8,998.62
  4. Step 4: Simplify right side
    15,713.34x = 195,122,566.62
  5. Step 5: Solve for x
    x = 195,122,566.62/15,713.34
  6. Step 6: Final answer
    x = 12,417.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.