Home / 15,969.29-22,037.60-9,258.81

Finding the Fourth Proportional to 15,969.29, 22,037.60 and 9,258.81

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Solution

The fourth proportional to 15,969.29, 22,037.60 and 9,258.81 is: 12,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.29 : 22,037.60 = 9,258.81 : x
  2. Step 2: Convert to fraction form
    15,969.29/22,037.60 = 9,258.81/x
  3. Step 3: Cross multiply
    15,969.29x = 22,037.60 × 9,258.81
  4. Step 4: Simplify right side
    15,969.29x = 204,041,974.40
  5. Step 5: Solve for x
    x = 204,041,974.40/15,969.29
  6. Step 6: Final answer
    x = 12,777.15

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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.