Home / 10,775.74-14,865.81-6,581.50

Finding the Fourth Proportional to 10,775.74, 14,865.81 and 6,581.50

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Solution

The fourth proportional to 10,775.74, 14,865.81 and 6,581.50 is: 9,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.74 : 14,865.81 = 6,581.50 : x
  2. Step 2: Convert to fraction form
    10,775.74/14,865.81 = 6,581.50/x
  3. Step 3: Cross multiply
    10,775.74x = 14,865.81 × 6,581.50
  4. Step 4: Simplify right side
    10,775.74x = 97,839,328.52
  5. Step 5: Solve for x
    x = 97,839,328.52/10,775.74
  6. Step 6: Final answer
    x = 9,079.59

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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.