Home / 14,130.18-21,191.76-4,268.70

Finding the Fourth Proportional to 14,130.18, 21,191.76 and 4,268.70

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Solution

The fourth proportional to 14,130.18, 21,191.76 and 4,268.70 is: 6,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.18 : 21,191.76 = 4,268.70 : x
  2. Step 2: Convert to fraction form
    14,130.18/21,191.76 = 4,268.70/x
  3. Step 3: Cross multiply
    14,130.18x = 21,191.76 × 4,268.70
  4. Step 4: Simplify right side
    14,130.18x = 90,461,265.91
  5. Step 5: Solve for x
    x = 90,461,265.91/14,130.18
  6. Step 6: Final answer
    x = 6,401.99

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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.