Home / 15,383.00-21,228.63-9,013.35

Finding the Fourth Proportional to 15,383.00, 21,228.63 and 9,013.35

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Solution

The fourth proportional to 15,383.00, 21,228.63 and 9,013.35 is: 12,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.00 : 21,228.63 = 9,013.35 : x
  2. Step 2: Convert to fraction form
    15,383.00/21,228.63 = 9,013.35/x
  3. Step 3: Cross multiply
    15,383.00x = 21,228.63 × 9,013.35
  4. Step 4: Simplify right side
    15,383.00x = 191,341,072.21
  5. Step 5: Solve for x
    x = 191,341,072.21/15,383.00
  6. Step 6: Final answer
    x = 12,438.48

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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.