Home / 13,155.84-19,746.24-9,461.76

Finding the Fourth Proportional to 13,155.84, 19,746.24 and 9,461.76

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Solution

The fourth proportional to 13,155.84, 19,746.24 and 9,461.76 is: 14,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.84 : 19,746.24 = 9,461.76 : x
  2. Step 2: Convert to fraction form
    13,155.84/19,746.24 = 9,461.76/x
  3. Step 3: Cross multiply
    13,155.84x = 19,746.24 × 9,461.76
  4. Step 4: Simplify right side
    13,155.84x = 186,834,183.78
  5. Step 5: Solve for x
    x = 186,834,183.78/13,155.84
  6. Step 6: Final answer
    x = 14,201.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.