Home / 23,125.48-31,913.06-12,515.30

Finding the Fourth Proportional to 23,125.48, 31,913.06 and 12,515.30

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Solution

The fourth proportional to 23,125.48, 31,913.06 and 12,515.30 is: 17,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.48 : 31,913.06 = 12,515.30 : x
  2. Step 2: Convert to fraction form
    23,125.48/31,913.06 = 12,515.30/x
  3. Step 3: Cross multiply
    23,125.48x = 31,913.06 × 12,515.30
  4. Step 4: Simplify right side
    23,125.48x = 399,401,519.82
  5. Step 5: Solve for x
    x = 399,401,519.82/23,125.48
  6. Step 6: Final answer
    x = 17,271.06

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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.