Home / 12,308.95-18,452.40-4,515.94

Finding the Fourth Proportional to 12,308.95, 18,452.40 and 4,515.94

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Solution

The fourth proportional to 12,308.95, 18,452.40 and 4,515.94 is: 6,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.95 : 18,452.40 = 4,515.94 : x
  2. Step 2: Convert to fraction form
    12,308.95/18,452.40 = 4,515.94/x
  3. Step 3: Cross multiply
    12,308.95x = 18,452.40 × 4,515.94
  4. Step 4: Simplify right side
    12,308.95x = 83,329,931.26
  5. Step 5: Solve for x
    x = 83,329,931.26/12,308.95
  6. Step 6: Final answer
    x = 6,769.87

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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.