Home / 10,543.72-15,810.94-5,612.19

Finding the Fourth Proportional to 10,543.72, 15,810.94 and 5,612.19

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Solution

The fourth proportional to 10,543.72, 15,810.94 and 5,612.19 is: 8,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.72 : 15,810.94 = 5,612.19 : x
  2. Step 2: Convert to fraction form
    10,543.72/15,810.94 = 5,612.19/x
  3. Step 3: Cross multiply
    10,543.72x = 15,810.94 × 5,612.19
  4. Step 4: Simplify right side
    10,543.72x = 88,733,999.36
  5. Step 5: Solve for x
    x = 88,733,999.36/10,543.72
  6. Step 6: Final answer
    x = 8,415.82

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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.