Home / 10,780.08-14,876.27-5,999.81

Finding the Fourth Proportional to 10,780.08, 14,876.27 and 5,999.81

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Solution

The fourth proportional to 10,780.08, 14,876.27 and 5,999.81 is: 8,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.08 : 14,876.27 = 5,999.81 : x
  2. Step 2: Convert to fraction form
    10,780.08/14,876.27 = 5,999.81/x
  3. Step 3: Cross multiply
    10,780.08x = 14,876.27 × 5,999.81
  4. Step 4: Simplify right side
    10,780.08x = 89,254,711.63
  5. Step 5: Solve for x
    x = 89,254,711.63/10,780.08
  6. Step 6: Final answer
    x = 8,279.60

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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.