Home / 10,316.80-14,231.84-6,533.60

Finding the Fourth Proportional to 10,316.80, 14,231.84 and 6,533.60

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Solution

The fourth proportional to 10,316.80, 14,231.84 and 6,533.60 is: 9,012.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.80 : 14,231.84 = 6,533.60 : x
  2. Step 2: Convert to fraction form
    10,316.80/14,231.84 = 6,533.60/x
  3. Step 3: Cross multiply
    10,316.80x = 14,231.84 × 6,533.60
  4. Step 4: Simplify right side
    10,316.80x = 92,985,149.82
  5. Step 5: Solve for x
    x = 92,985,149.82/10,316.80
  6. Step 6: Final answer
    x = 9,012.98

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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.