Home / 11,543.70-17,315.55-4,148.40

Finding the Fourth Proportional to 11,543.70, 17,315.55 and 4,148.40

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Solution

The fourth proportional to 11,543.70, 17,315.55 and 4,148.40 is: 6,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.70 : 17,315.55 = 4,148.40 : x
  2. Step 2: Convert to fraction form
    11,543.70/17,315.55 = 4,148.40/x
  3. Step 3: Cross multiply
    11,543.70x = 17,315.55 × 4,148.40
  4. Step 4: Simplify right side
    11,543.70x = 71,831,827.62
  5. Step 5: Solve for x
    x = 71,831,827.62/11,543.70
  6. Step 6: Final answer
    x = 6,222.60

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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.