Home / 10,126.50-15,197.58-7,028.25

Finding the Fourth Proportional to 10,126.50, 15,197.58 and 7,028.25

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Solution

The fourth proportional to 10,126.50, 15,197.58 and 7,028.25 is: 10,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.50 : 15,197.58 = 7,028.25 : x
  2. Step 2: Convert to fraction form
    10,126.50/15,197.58 = 7,028.25/x
  3. Step 3: Cross multiply
    10,126.50x = 15,197.58 × 7,028.25
  4. Step 4: Simplify right side
    10,126.50x = 106,812,391.64
  5. Step 5: Solve for x
    x = 106,812,391.64/10,126.50
  6. Step 6: Final answer
    x = 10,547.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.