Home / 14,025.54-21,030.42-4,660.55

Finding the Fourth Proportional to 14,025.54, 21,030.42 and 4,660.55

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Solution

The fourth proportional to 14,025.54, 21,030.42 and 4,660.55 is: 6,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.54 : 21,030.42 = 4,660.55 : x
  2. Step 2: Convert to fraction form
    14,025.54/21,030.42 = 4,660.55/x
  3. Step 3: Cross multiply
    14,025.54x = 21,030.42 × 4,660.55
  4. Step 4: Simplify right side
    14,025.54x = 98,013,218.78
  5. Step 5: Solve for x
    x = 98,013,218.78/14,025.54
  6. Step 6: Final answer
    x = 6,988.20

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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.