Home / 9,203.12-12,700.20-5,011.28

Finding the Fourth Proportional to 9,203.12, 12,700.20 and 5,011.28

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Solution

The fourth proportional to 9,203.12, 12,700.20 and 5,011.28 is: 6,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.12 : 12,700.20 = 5,011.28 : x
  2. Step 2: Convert to fraction form
    9,203.12/12,700.20 = 5,011.28/x
  3. Step 3: Cross multiply
    9,203.12x = 12,700.20 × 5,011.28
  4. Step 4: Simplify right side
    9,203.12x = 63,644,258.26
  5. Step 5: Solve for x
    x = 63,644,258.26/9,203.12
  6. Step 6: Final answer
    x = 6,915.51

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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.