Home / 11,504.57-15,875.73-7,035.80

Finding the Fourth Proportional to 11,504.57, 15,875.73 and 7,035.80

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Solution

The fourth proportional to 11,504.57, 15,875.73 and 7,035.80 is: 9,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,504.57 : 15,875.73 = 7,035.80 : x
  2. Step 2: Convert to fraction form
    11,504.57/15,875.73 = 7,035.80/x
  3. Step 3: Cross multiply
    11,504.57x = 15,875.73 × 7,035.80
  4. Step 4: Simplify right side
    11,504.57x = 111,698,381.76
  5. Step 5: Solve for x
    x = 111,698,381.76/11,504.57
  6. Step 6: Final answer
    x = 9,709.05

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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.