Home / 13,576.95-20,354.49-12,483.45

Finding the Fourth Proportional to 13,576.95, 20,354.49 and 12,483.45

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Solution

The fourth proportional to 13,576.95, 20,354.49 and 12,483.45 is: 18,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.95 : 20,354.49 = 12,483.45 : x
  2. Step 2: Convert to fraction form
    13,576.95/20,354.49 = 12,483.45/x
  3. Step 3: Cross multiply
    13,576.95x = 20,354.49 × 12,483.45
  4. Step 4: Simplify right side
    13,576.95x = 254,094,258.19
  5. Step 5: Solve for x
    x = 254,094,258.19/13,576.95
  6. Step 6: Final answer
    x = 18,715.12

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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.