Home / 18,335.85-25,267.19-13,015.77

Finding the Fourth Proportional to 18,335.85, 25,267.19 and 13,015.77

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Solution

The fourth proportional to 18,335.85, 25,267.19 and 13,015.77 is: 17,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.85 : 25,267.19 = 13,015.77 : x
  2. Step 2: Convert to fraction form
    18,335.85/25,267.19 = 13,015.77/x
  3. Step 3: Cross multiply
    18,335.85x = 25,267.19 × 13,015.77
  4. Step 4: Simplify right side
    18,335.85x = 328,871,868.51
  5. Step 5: Solve for x
    x = 328,871,868.51/18,335.85
  6. Step 6: Final answer
    x = 17,936.00

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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.