Home / 10,280.02-15,412.73-4,438.30

Finding the Fourth Proportional to 10,280.02, 15,412.73 and 4,438.30

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Solution

The fourth proportional to 10,280.02, 15,412.73 and 4,438.30 is: 6,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.02 : 15,412.73 = 4,438.30 : x
  2. Step 2: Convert to fraction form
    10,280.02/15,412.73 = 4,438.30/x
  3. Step 3: Cross multiply
    10,280.02x = 15,412.73 × 4,438.30
  4. Step 4: Simplify right side
    10,280.02x = 68,406,319.56
  5. Step 5: Solve for x
    x = 68,406,319.56/10,280.02
  6. Step 6: Final answer
    x = 6,654.30

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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.