Home / 10,437.21-15,654.15-3,417.48

Finding the Fourth Proportional to 10,437.21, 15,654.15 and 3,417.48

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Solution

The fourth proportional to 10,437.21, 15,654.15 and 3,417.48 is: 5,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.21 : 15,654.15 = 3,417.48 : x
  2. Step 2: Convert to fraction form
    10,437.21/15,654.15 = 3,417.48/x
  3. Step 3: Cross multiply
    10,437.21x = 15,654.15 × 3,417.48
  4. Step 4: Simplify right side
    10,437.21x = 53,497,744.54
  5. Step 5: Solve for x
    x = 53,497,744.54/10,437.21
  6. Step 6: Final answer
    x = 5,125.67

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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.