Home / 21,316.52-31,974.75-6,525.26

Finding the Fourth Proportional to 21,316.52, 31,974.75 and 6,525.26

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Solution

The fourth proportional to 21,316.52, 31,974.75 and 6,525.26 is: 9,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,316.52 : 31,974.75 = 6,525.26 : x
  2. Step 2: Convert to fraction form
    21,316.52/31,974.75 = 6,525.26/x
  3. Step 3: Cross multiply
    21,316.52x = 31,974.75 × 6,525.26
  4. Step 4: Simplify right side
    21,316.52x = 208,643,557.19
  5. Step 5: Solve for x
    x = 208,643,557.19/21,316.52
  6. Step 6: Final answer
    x = 9,787.88

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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.