Home / 23,174.40-31,985.10-13,748.16

Finding the Fourth Proportional to 23,174.40, 31,985.10 and 13,748.16

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Solution

The fourth proportional to 23,174.40, 31,985.10 and 13,748.16 is: 18,975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174.40 : 31,985.10 = 13,748.16 : x
  2. Step 2: Convert to fraction form
    23,174.40/31,985.10 = 13,748.16/x
  3. Step 3: Cross multiply
    23,174.40x = 31,985.10 × 13,748.16
  4. Step 4: Simplify right side
    23,174.40x = 439,736,272.42
  5. Step 5: Solve for x
    x = 439,736,272.42/23,174.40
  6. Step 6: Final answer
    x = 18,975.09

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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.