Home / 10,458.17-15,683.91-3,436.55

Finding the Fourth Proportional to 10,458.17, 15,683.91 and 3,436.55

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Solution

The fourth proportional to 10,458.17, 15,683.91 and 3,436.55 is: 5,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.17 : 15,683.91 = 3,436.55 : x
  2. Step 2: Convert to fraction form
    10,458.17/15,683.91 = 3,436.55/x
  3. Step 3: Cross multiply
    10,458.17x = 15,683.91 × 3,436.55
  4. Step 4: Simplify right side
    10,458.17x = 53,898,462.49
  5. Step 5: Solve for x
    x = 53,898,462.49/10,458.17
  6. Step 6: Final answer
    x = 5,153.72

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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.