Home / 13,676.04-18,862.88-10,319.00

Finding the Fourth Proportional to 13,676.04, 18,862.88 and 10,319.00

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Solution

The fourth proportional to 13,676.04, 18,862.88 and 10,319.00 is: 14,232.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.04 : 18,862.88 = 10,319.00 : x
  2. Step 2: Convert to fraction form
    13,676.04/18,862.88 = 10,319.00/x
  3. Step 3: Cross multiply
    13,676.04x = 18,862.88 × 10,319.00
  4. Step 4: Simplify right side
    13,676.04x = 194,645,912.81
  5. Step 5: Solve for x
    x = 194,645,912.81/13,676.04
  6. Step 6: Final answer
    x = 14,232.62

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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.