Home / 17,317.92-23,899.28-9,866.40

Finding the Fourth Proportional to 17,317.92, 23,899.28 and 9,866.40

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Solution

The fourth proportional to 17,317.92, 23,899.28 and 9,866.40 is: 13,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,317.92 : 23,899.28 = 9,866.40 : x
  2. Step 2: Convert to fraction form
    17,317.92/23,899.28 = 9,866.40/x
  3. Step 3: Cross multiply
    17,317.92x = 23,899.28 × 9,866.40
  4. Step 4: Simplify right side
    17,317.92x = 235,799,856.19
  5. Step 5: Solve for x
    x = 235,799,856.19/17,317.92
  6. Step 6: Final answer
    x = 13,615.95

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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.