Home / 21,437.34-32,166.98-10,205.37

Finding the Fourth Proportional to 21,437.34, 32,166.98 and 10,205.37

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Solution

The fourth proportional to 21,437.34, 32,166.98 and 10,205.37 is: 15,313.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.34 : 32,166.98 = 10,205.37 : x
  2. Step 2: Convert to fraction form
    21,437.34/32,166.98 = 10,205.37/x
  3. Step 3: Cross multiply
    21,437.34x = 32,166.98 × 10,205.37
  4. Step 4: Simplify right side
    21,437.34x = 328,275,881.66
  5. Step 5: Solve for x
    x = 328,275,881.66/21,437.34
  6. Step 6: Final answer
    x = 15,313.27

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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.