Home / 13,254.10-19,880.12-5,858.80

Finding the Fourth Proportional to 13,254.10, 19,880.12 and 5,858.80

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Solution

The fourth proportional to 13,254.10, 19,880.12 and 5,858.80 is: 8,787.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.10 : 19,880.12 = 5,858.80 : x
  2. Step 2: Convert to fraction form
    13,254.10/19,880.12 = 5,858.80/x
  3. Step 3: Cross multiply
    13,254.10x = 19,880.12 × 5,858.80
  4. Step 4: Simplify right side
    13,254.10x = 116,473,617.76
  5. Step 5: Solve for x
    x = 116,473,617.76/13,254.10
  6. Step 6: Final answer
    x = 8,787.74

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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.