Home / 14,280.29-21,421.34-4,418.74

Finding the Fourth Proportional to 14,280.29, 21,421.34 and 4,418.74

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Solution

The fourth proportional to 14,280.29, 21,421.34 and 4,418.74 is: 6,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.29 : 21,421.34 = 4,418.74 : x
  2. Step 2: Convert to fraction form
    14,280.29/21,421.34 = 4,418.74/x
  3. Step 3: Cross multiply
    14,280.29x = 21,421.34 × 4,418.74
  4. Step 4: Simplify right side
    14,280.29x = 94,655,331.91
  5. Step 5: Solve for x
    x = 94,655,331.91/14,280.29
  6. Step 6: Final answer
    x = 6,628.39

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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.