Home / 12,289.53-16,959.56-6,700.53

Finding the Fourth Proportional to 12,289.53, 16,959.56 and 6,700.53

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Solution

The fourth proportional to 12,289.53, 16,959.56 and 6,700.53 is: 9,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289.53 : 16,959.56 = 6,700.53 : x
  2. Step 2: Convert to fraction form
    12,289.53/16,959.56 = 6,700.53/x
  3. Step 3: Cross multiply
    12,289.53x = 16,959.56 × 6,700.53
  4. Step 4: Simplify right side
    12,289.53x = 113,638,040.57
  5. Step 5: Solve for x
    x = 113,638,040.57/12,289.53
  6. Step 6: Final answer
    x = 9,246.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.