Home / 10,887.03-15,028.69-7,355.03

Finding the Fourth Proportional to 10,887.03, 15,028.69 and 7,355.03

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Solution

The fourth proportional to 10,887.03, 15,028.69 and 7,355.03 is: 10,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.03 : 15,028.69 = 7,355.03 : x
  2. Step 2: Convert to fraction form
    10,887.03/15,028.69 = 7,355.03/x
  3. Step 3: Cross multiply
    10,887.03x = 15,028.69 × 7,355.03
  4. Step 4: Simplify right side
    10,887.03x = 110,536,465.81
  5. Step 5: Solve for x
    x = 110,536,465.81/10,887.03
  6. Step 6: Final answer
    x = 10,153.04

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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.