Home / 9,512.16-13,130.28-7,150.20

Finding the Fourth Proportional to 9,512.16, 13,130.28 and 7,150.20

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Solution

The fourth proportional to 9,512.16, 13,130.28 and 7,150.20 is: 9,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.16 : 13,130.28 = 7,150.20 : x
  2. Step 2: Convert to fraction form
    9,512.16/13,130.28 = 7,150.20/x
  3. Step 3: Cross multiply
    9,512.16x = 13,130.28 × 7,150.20
  4. Step 4: Simplify right side
    9,512.16x = 93,884,128.06
  5. Step 5: Solve for x
    x = 93,884,128.06/9,512.16
  6. Step 6: Final answer
    x = 9,869.91

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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.