Home / 14,191.04-21,280.16-4,331.52

Finding the Fourth Proportional to 14,191.04, 21,280.16 and 4,331.52

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Solution

The fourth proportional to 14,191.04, 21,280.16 and 4,331.52 is: 6,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.04 : 21,280.16 = 4,331.52 : x
  2. Step 2: Convert to fraction form
    14,191.04/21,280.16 = 4,331.52/x
  3. Step 3: Cross multiply
    14,191.04x = 21,280.16 × 4,331.52
  4. Step 4: Simplify right side
    14,191.04x = 92,175,438.64
  5. Step 5: Solve for x
    x = 92,175,438.64/14,191.04
  6. Step 6: Final answer
    x = 6,495.33

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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.