Home / 11,366.32-15,681.36-6,886.84

Finding the Fourth Proportional to 11,366.32, 15,681.36 and 6,886.84

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Solution

The fourth proportional to 11,366.32, 15,681.36 and 6,886.84 is: 9,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.32 : 15,681.36 = 6,886.84 : x
  2. Step 2: Convert to fraction form
    11,366.32/15,681.36 = 6,886.84/x
  3. Step 3: Cross multiply
    11,366.32x = 15,681.36 × 6,886.84
  4. Step 4: Simplify right side
    11,366.32x = 107,995,017.30
  5. Step 5: Solve for x
    x = 107,995,017.30/11,366.32
  6. Step 6: Final answer
    x = 9,501.32

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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.