Home / 14,211.87-19,612.58-9,176.31

Finding the Fourth Proportional to 14,211.87, 19,612.58 and 9,176.31

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Solution

The fourth proportional to 14,211.87, 19,612.58 and 9,176.31 is: 12,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.87 : 19,612.58 = 9,176.31 : x
  2. Step 2: Convert to fraction form
    14,211.87/19,612.58 = 9,176.31/x
  3. Step 3: Cross multiply
    14,211.87x = 19,612.58 × 9,176.31
  4. Step 4: Simplify right side
    14,211.87x = 179,971,068.10
  5. Step 5: Solve for x
    x = 179,971,068.10/14,211.87
  6. Step 6: Final answer
    x = 12,663.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.