Home / 14,403.57-21,605.36-4,543.85

Finding the Fourth Proportional to 14,403.57, 21,605.36 and 4,543.85

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Solution

The fourth proportional to 14,403.57, 21,605.36 and 4,543.85 is: 6,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.57 : 21,605.36 = 4,543.85 : x
  2. Step 2: Convert to fraction form
    14,403.57/21,605.36 = 4,543.85/x
  3. Step 3: Cross multiply
    14,403.57x = 21,605.36 × 4,543.85
  4. Step 4: Simplify right side
    14,403.57x = 98,171,384.29
  5. Step 5: Solve for x
    x = 98,171,384.29/14,403.57
  6. Step 6: Final answer
    x = 6,815.77

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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.