Home / 10,516.04-15,777.05-4,280.54

Finding the Fourth Proportional to 10,516.04, 15,777.05 and 4,280.54

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Solution

The fourth proportional to 10,516.04, 15,777.05 and 4,280.54 is: 6,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.04 : 15,777.05 = 4,280.54 : x
  2. Step 2: Convert to fraction form
    10,516.04/15,777.05 = 4,280.54/x
  3. Step 3: Cross multiply
    10,516.04x = 15,777.05 × 4,280.54
  4. Step 4: Simplify right side
    10,516.04x = 67,534,193.32
  5. Step 5: Solve for x
    x = 67,534,193.32/10,516.04
  6. Step 6: Final answer
    x = 6,422.02

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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.