Home / 15,850.35-21,871.96-9,475.67

Finding the Fourth Proportional to 15,850.35, 21,871.96 and 9,475.67

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Solution

The fourth proportional to 15,850.35, 21,871.96 and 9,475.67 is: 13,075.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.35 : 21,871.96 = 9,475.67 : x
  2. Step 2: Convert to fraction form
    15,850.35/21,871.96 = 9,475.67/x
  3. Step 3: Cross multiply
    15,850.35x = 21,871.96 × 9,475.67
  4. Step 4: Simplify right side
    15,850.35x = 207,251,475.21
  5. Step 5: Solve for x
    x = 207,251,475.21/15,850.35
  6. Step 6: Final answer
    x = 13,075.51

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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.