Home / 10,602.30-15,903.45-4,362.60

Finding the Fourth Proportional to 10,602.30, 15,903.45 and 4,362.60

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Solution

The fourth proportional to 10,602.30, 15,903.45 and 4,362.60 is: 6,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602.30 : 15,903.45 = 4,362.60 : x
  2. Step 2: Convert to fraction form
    10,602.30/15,903.45 = 4,362.60/x
  3. Step 3: Cross multiply
    10,602.30x = 15,903.45 × 4,362.60
  4. Step 4: Simplify right side
    10,602.30x = 69,380,390.97
  5. Step 5: Solve for x
    x = 69,380,390.97/10,602.30
  6. Step 6: Final answer
    x = 6,543.90

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Similar ratio
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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.