Home / 13,868.13-19,133.35-7,895.58

Finding the Fourth Proportional to 13,868.13, 19,133.35 and 7,895.58

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Solution

The fourth proportional to 13,868.13, 19,133.35 and 7,895.58 is: 10,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.13 : 19,133.35 = 7,895.58 : x
  2. Step 2: Convert to fraction form
    13,868.13/19,133.35 = 7,895.58/x
  3. Step 3: Cross multiply
    13,868.13x = 19,133.35 × 7,895.58
  4. Step 4: Simplify right side
    13,868.13x = 151,068,848.52
  5. Step 5: Solve for x
    x = 151,068,848.52/13,868.13
  6. Step 6: Final answer
    x = 10,893.24

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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.