Home / 13,971.95-20,957.62-6,572.31

Finding the Fourth Proportional to 13,971.95, 20,957.62 and 6,572.31

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Solution

The fourth proportional to 13,971.95, 20,957.62 and 6,572.31 is: 9,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.95 : 20,957.62 = 6,572.31 : x
  2. Step 2: Convert to fraction form
    13,971.95/20,957.62 = 6,572.31/x
  3. Step 3: Cross multiply
    13,971.95x = 20,957.62 × 6,572.31
  4. Step 4: Simplify right side
    13,971.95x = 137,739,854.28
  5. Step 5: Solve for x
    x = 137,739,854.28/13,971.95
  6. Step 6: Final answer
    x = 9,858.31

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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.