Home / 11,567.54-15,962.13-7,090.40

Finding the Fourth Proportional to 11,567.54, 15,962.13 and 7,090.40

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Solution

The fourth proportional to 11,567.54, 15,962.13 and 7,090.40 is: 9,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,567.54 : 15,962.13 = 7,090.40 : x
  2. Step 2: Convert to fraction form
    11,567.54/15,962.13 = 7,090.40/x
  3. Step 3: Cross multiply
    11,567.54x = 15,962.13 × 7,090.40
  4. Step 4: Simplify right side
    11,567.54x = 113,177,886.55
  5. Step 5: Solve for x
    x = 113,177,886.55/11,567.54
  6. Step 6: Final answer
    x = 9,784.09

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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.