Home / 10,019.90-13,827.26-5,543.84

Finding the Fourth Proportional to 10,019.90, 13,827.26 and 5,543.84

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Solution

The fourth proportional to 10,019.90, 13,827.26 and 5,543.84 is: 7,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.90 : 13,827.26 = 5,543.84 : x
  2. Step 2: Convert to fraction form
    10,019.90/13,827.26 = 5,543.84/x
  3. Step 3: Cross multiply
    10,019.90x = 13,827.26 × 5,543.84
  4. Step 4: Simplify right side
    10,019.90x = 76,656,117.08
  5. Step 5: Solve for x
    x = 76,656,117.08/10,019.90
  6. Step 6: Final answer
    x = 7,650.39

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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.