Home / 8,713.24-12,018.10-5,357.94

Finding the Fourth Proportional to 8,713.24, 12,018.10 and 5,357.94

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Solution

The fourth proportional to 8,713.24, 12,018.10 and 5,357.94 is: 7,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.24 : 12,018.10 = 5,357.94 : x
  2. Step 2: Convert to fraction form
    8,713.24/12,018.10 = 5,357.94/x
  3. Step 3: Cross multiply
    8,713.24x = 12,018.10 × 5,357.94
  4. Step 4: Simplify right side
    8,713.24x = 64,392,258.71
  5. Step 5: Solve for x
    x = 64,392,258.71/8,713.24
  6. Step 6: Final answer
    x = 7,390.16

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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.