Home / 23,117.44-31,901.99-12,507.08

Finding the Fourth Proportional to 23,117.44, 31,901.99 and 12,507.08

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Solution

The fourth proportional to 23,117.44, 31,901.99 and 12,507.08 is: 17,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117.44 : 31,901.99 = 12,507.08 : x
  2. Step 2: Convert to fraction form
    23,117.44/31,901.99 = 12,507.08/x
  3. Step 3: Cross multiply
    23,117.44x = 31,901.99 × 12,507.08
  4. Step 4: Simplify right side
    23,117.44x = 399,000,678.55
  5. Step 5: Solve for x
    x = 399,000,678.55/23,117.44
  6. Step 6: Final answer
    x = 17,259.73

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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.