Home / 13,015.02-19,412.85-10,910.64

Finding the Fourth Proportional to 13,015.02, 19,412.85 and 10,910.64

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Solution

The fourth proportional to 13,015.02, 19,412.85 and 10,910.64 is: 16,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.02 : 19,412.85 = 10,910.64 : x
  2. Step 2: Convert to fraction form
    13,015.02/19,412.85 = 10,910.64/x
  3. Step 3: Cross multiply
    13,015.02x = 19,412.85 × 10,910.64
  4. Step 4: Simplify right side
    13,015.02x = 211,806,617.72
  5. Step 5: Solve for x
    x = 211,806,617.72/13,015.02
  6. Step 6: Final answer
    x = 16,274.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.