Home / 15,431.79-23,108.15-10,681.37

Finding the Fourth Proportional to 15,431.79, 23,108.15 and 10,681.37

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Solution

The fourth proportional to 15,431.79, 23,108.15 and 10,681.37 is: 15,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.79 : 23,108.15 = 10,681.37 : x
  2. Step 2: Convert to fraction form
    15,431.79/23,108.15 = 10,681.37/x
  3. Step 3: Cross multiply
    15,431.79x = 23,108.15 × 10,681.37
  4. Step 4: Simplify right side
    15,431.79x = 246,826,784.64
  5. Step 5: Solve for x
    x = 246,826,784.64/15,431.79
  6. Step 6: Final answer
    x = 15,994.69

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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.