Home / 12,038.13-18,059.90-4,247.55

Finding the Fourth Proportional to 12,038.13, 18,059.90 and 4,247.55

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Solution

The fourth proportional to 12,038.13, 18,059.90 and 4,247.55 is: 6,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.13 : 18,059.90 = 4,247.55 : x
  2. Step 2: Convert to fraction form
    12,038.13/18,059.90 = 4,247.55/x
  3. Step 3: Cross multiply
    12,038.13x = 18,059.90 × 4,247.55
  4. Step 4: Simplify right side
    12,038.13x = 76,710,307.01
  5. Step 5: Solve for x
    x = 76,710,307.01/12,038.13
  6. Step 6: Final answer
    x = 6,372.28

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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.