Home / 10,780.08-14,876.32-6,063.92

Finding the Fourth Proportional to 10,780.08, 14,876.32 and 6,063.92

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Solution

The fourth proportional to 10,780.08, 14,876.32 and 6,063.92 is: 8,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.08 : 14,876.32 = 6,063.92 : x
  2. Step 2: Convert to fraction form
    10,780.08/14,876.32 = 6,063.92/x
  3. Step 3: Cross multiply
    10,780.08x = 14,876.32 × 6,063.92
  4. Step 4: Simplify right side
    10,780.08x = 90,208,814.37
  5. Step 5: Solve for x
    x = 90,208,814.37/10,780.08
  6. Step 6: Final answer
    x = 8,368.10

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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.