Home / 10,285.74-14,199.66-7,136.46

Finding the Fourth Proportional to 10,285.74, 14,199.66 and 7,136.46

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Solution

The fourth proportional to 10,285.74, 14,199.66 and 7,136.46 is: 9,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.74 : 14,199.66 = 7,136.46 : x
  2. Step 2: Convert to fraction form
    10,285.74/14,199.66 = 7,136.46/x
  3. Step 3: Cross multiply
    10,285.74x = 14,199.66 × 7,136.46
  4. Step 4: Simplify right side
    10,285.74x = 101,335,305.60
  5. Step 5: Solve for x
    x = 101,335,305.60/10,285.74
  6. Step 6: Final answer
    x = 9,852.02

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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.