Home / 14,862.89-20,510.78-8,148.37

Finding the Fourth Proportional to 14,862.89, 20,510.78 and 8,148.37

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Solution

The fourth proportional to 14,862.89, 20,510.78 and 8,148.37 is: 11,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.89 : 20,510.78 = 8,148.37 : x
  2. Step 2: Convert to fraction form
    14,862.89/20,510.78 = 8,148.37/x
  3. Step 3: Cross multiply
    14,862.89x = 20,510.78 × 8,148.37
  4. Step 4: Simplify right side
    14,862.89x = 167,129,352.78
  5. Step 5: Solve for x
    x = 167,129,352.78/14,862.89
  6. Step 6: Final answer
    x = 11,244.75

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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.