Home / 15,681.48-23,513.58-6,453.96

Finding the Fourth Proportional to 15,681.48, 23,513.58 and 6,453.96

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Solution

The fourth proportional to 15,681.48, 23,513.58 and 6,453.96 is: 9,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.48 : 23,513.58 = 6,453.96 : x
  2. Step 2: Convert to fraction form
    15,681.48/23,513.58 = 6,453.96/x
  3. Step 3: Cross multiply
    15,681.48x = 23,513.58 × 6,453.96
  4. Step 4: Simplify right side
    15,681.48x = 151,755,704.78
  5. Step 5: Solve for x
    x = 151,755,704.78/15,681.48
  6. Step 6: Final answer
    x = 9,677.38

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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.