Home / 17,117.40-23,615.44-10,400.52

Finding the Fourth Proportional to 17,117.40, 23,615.44 and 10,400.52

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Solution

The fourth proportional to 17,117.40, 23,615.44 and 10,400.52 is: 14,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.40 : 23,615.44 = 10,400.52 : x
  2. Step 2: Convert to fraction form
    17,117.40/23,615.44 = 10,400.52/x
  3. Step 3: Cross multiply
    17,117.40x = 23,615.44 × 10,400.52
  4. Step 4: Simplify right side
    17,117.40x = 245,612,856.03
  5. Step 5: Solve for x
    x = 245,612,856.03/17,117.40
  6. Step 6: Final answer
    x = 14,348.72

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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.