Home / 10,384.13-15,576.19-3,458.63

Finding the Fourth Proportional to 10,384.13, 15,576.19 and 3,458.63

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Solution

The fourth proportional to 10,384.13, 15,576.19 and 3,458.63 is: 5,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.13 : 15,576.19 = 3,458.63 : x
  2. Step 2: Convert to fraction form
    10,384.13/15,576.19 = 3,458.63/x
  3. Step 3: Cross multiply
    10,384.13x = 15,576.19 × 3,458.63
  4. Step 4: Simplify right side
    10,384.13x = 53,872,278.02
  5. Step 5: Solve for x
    x = 53,872,278.02/10,384.13
  6. Step 6: Final answer
    x = 5,187.94

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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.