Home / 10,780.09-14,875.85-6,303.57

Finding the Fourth Proportional to 10,780.09, 14,875.85 and 6,303.57

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Solution

The fourth proportional to 10,780.09, 14,875.85 and 6,303.57 is: 8,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.09 : 14,875.85 = 6,303.57 : x
  2. Step 2: Convert to fraction form
    10,780.09/14,875.85 = 6,303.57/x
  3. Step 3: Cross multiply
    10,780.09x = 14,875.85 × 6,303.57
  4. Step 4: Simplify right side
    10,780.09x = 93,771,005.44
  5. Step 5: Solve for x
    x = 93,771,005.44/10,780.09
  6. Step 6: Final answer
    x = 8,698.54

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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.