Home / 11,308.60-15,604.71-6,271.51

Finding the Fourth Proportional to 11,308.60, 15,604.71 and 6,271.51

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Solution

The fourth proportional to 11,308.60, 15,604.71 and 6,271.51 is: 8,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.60 : 15,604.71 = 6,271.51 : x
  2. Step 2: Convert to fraction form
    11,308.60/15,604.71 = 6,271.51/x
  3. Step 3: Cross multiply
    11,308.60x = 15,604.71 × 6,271.51
  4. Step 4: Simplify right side
    11,308.60x = 97,865,094.81
  5. Step 5: Solve for x
    x = 97,865,094.81/11,308.60
  6. Step 6: Final answer
    x = 8,654.04

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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.