Home / 30,510.68-45,766.08-10,778.60

Finding the Fourth Proportional to 30,510.68, 45,766.08 and 10,778.60

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Solution

The fourth proportional to 30,510.68, 45,766.08 and 10,778.60 is: 16,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,510.68 : 45,766.08 = 10,778.60 : x
  2. Step 2: Convert to fraction form
    30,510.68/45,766.08 = 10,778.60/x
  3. Step 3: Cross multiply
    30,510.68x = 45,766.08 × 10,778.60
  4. Step 4: Simplify right side
    30,510.68x = 493,294,269.89
  5. Step 5: Solve for x
    x = 493,294,269.89/30,510.68
  6. Step 6: Final answer
    x = 16,167.92

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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.