Home / 10,429.30-14,391.52-6,398.34

Finding the Fourth Proportional to 10,429.30, 14,391.52 and 6,398.34

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Solution

The fourth proportional to 10,429.30, 14,391.52 and 6,398.34 is: 8,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.30 : 14,391.52 = 6,398.34 : x
  2. Step 2: Convert to fraction form
    10,429.30/14,391.52 = 6,398.34/x
  3. Step 3: Cross multiply
    10,429.30x = 14,391.52 × 6,398.34
  4. Step 4: Simplify right side
    10,429.30x = 92,081,838.08
  5. Step 5: Solve for x
    x = 92,081,838.08/10,429.30
  6. Step 6: Final answer
    x = 8,829.15

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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.