Home / 11,346.32-15,658.29-6,870.92

Finding the Fourth Proportional to 11,346.32, 15,658.29 and 6,870.92

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Solution

The fourth proportional to 11,346.32, 15,658.29 and 6,870.92 is: 9,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.32 : 15,658.29 = 6,870.92 : x
  2. Step 2: Convert to fraction form
    11,346.32/15,658.29 = 6,870.92/x
  3. Step 3: Cross multiply
    11,346.32x = 15,658.29 × 6,870.92
  4. Step 4: Simplify right side
    11,346.32x = 107,586,857.93
  5. Step 5: Solve for x
    x = 107,586,857.93/11,346.32
  6. Step 6: Final answer
    x = 9,482.09

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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.