Home / 10,429.98-14,392.95-6,240.54

Finding the Fourth Proportional to 10,429.98, 14,392.95 and 6,240.54

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Solution

The fourth proportional to 10,429.98, 14,392.95 and 6,240.54 is: 8,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.98 : 14,392.95 = 6,240.54 : x
  2. Step 2: Convert to fraction form
    10,429.98/14,392.95 = 6,240.54/x
  3. Step 3: Cross multiply
    10,429.98x = 14,392.95 × 6,240.54
  4. Step 4: Simplify right side
    10,429.98x = 89,819,780.19
  5. Step 5: Solve for x
    x = 89,819,780.19/10,429.98
  6. Step 6: Final answer
    x = 8,611.69

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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.