Home / 11,343.84-15,655.08-6,308.16

Finding the Fourth Proportional to 11,343.84, 15,655.08 and 6,308.16

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Solution

The fourth proportional to 11,343.84, 15,655.08 and 6,308.16 is: 8,705.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.84 : 15,655.08 = 6,308.16 : x
  2. Step 2: Convert to fraction form
    11,343.84/15,655.08 = 6,308.16/x
  3. Step 3: Cross multiply
    11,343.84x = 15,655.08 × 6,308.16
  4. Step 4: Simplify right side
    11,343.84x = 98,754,749.45
  5. Step 5: Solve for x
    x = 98,754,749.45/11,343.84
  6. Step 6: Final answer
    x = 8,705.58

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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.