Home / 14,029.20-21,068.10-9,898.20

Finding the Fourth Proportional to 14,029.20, 21,068.10 and 9,898.20

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Solution

The fourth proportional to 14,029.20, 21,068.10 and 9,898.20 is: 14,864.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,029.20 : 21,068.10 = 9,898.20 : x
  2. Step 2: Convert to fraction form
    14,029.20/21,068.10 = 9,898.20/x
  3. Step 3: Cross multiply
    14,029.20x = 21,068.10 × 9,898.20
  4. Step 4: Simplify right side
    14,029.20x = 208,536,267.42
  5. Step 5: Solve for x
    x = 208,536,267.42/14,029.20
  6. Step 6: Final answer
    x = 14,864.44

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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.