Home / 10,780.18-14,874.41-6,303.06

Finding the Fourth Proportional to 10,780.18, 14,874.41 and 6,303.06

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Solution

The fourth proportional to 10,780.18, 14,874.41 and 6,303.06 is: 8,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.18 : 14,874.41 = 6,303.06 : x
  2. Step 2: Convert to fraction form
    10,780.18/14,874.41 = 6,303.06/x
  3. Step 3: Cross multiply
    10,780.18x = 14,874.41 × 6,303.06
  4. Step 4: Simplify right side
    10,780.18x = 93,754,298.69
  5. Step 5: Solve for x
    x = 93,754,298.69/10,780.18
  6. Step 6: Final answer
    x = 8,696.91

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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.