Home / 10,299.90-14,225.54-6,936.87

Finding the Fourth Proportional to 10,299.90, 14,225.54 and 6,936.87

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Solution

The fourth proportional to 10,299.90, 14,225.54 and 6,936.87 is: 9,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.90 : 14,225.54 = 6,936.87 : x
  2. Step 2: Convert to fraction form
    10,299.90/14,225.54 = 6,936.87/x
  3. Step 3: Cross multiply
    10,299.90x = 14,225.54 × 6,936.87
  4. Step 4: Simplify right side
    10,299.90x = 98,680,721.66
  5. Step 5: Solve for x
    x = 98,680,721.66/10,299.90
  6. Step 6: Final answer
    x = 9,580.75

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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.