Home / 15,711.60-23,567.40-7,935.60

Finding the Fourth Proportional to 15,711.60, 23,567.40 and 7,935.60

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Solution

The fourth proportional to 15,711.60, 23,567.40 and 7,935.60 is: 11,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.60 : 23,567.40 = 7,935.60 : x
  2. Step 2: Convert to fraction form
    15,711.60/23,567.40 = 7,935.60/x
  3. Step 3: Cross multiply
    15,711.60x = 23,567.40 × 7,935.60
  4. Step 4: Simplify right side
    15,711.60x = 187,021,459.44
  5. Step 5: Solve for x
    x = 187,021,459.44/15,711.60
  6. Step 6: Final answer
    x = 11,903.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.