Home / 14,300.90-19,735.20-8,013.28

Finding the Fourth Proportional to 14,300.90, 19,735.20 and 8,013.28

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Solution

The fourth proportional to 14,300.90, 19,735.20 and 8,013.28 is: 11,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.90 : 19,735.20 = 8,013.28 : x
  2. Step 2: Convert to fraction form
    14,300.90/19,735.20 = 8,013.28/x
  3. Step 3: Cross multiply
    14,300.90x = 19,735.20 × 8,013.28
  4. Step 4: Simplify right side
    14,300.90x = 158,143,683.46
  5. Step 5: Solve for x
    x = 158,143,683.46/14,300.90
  6. Step 6: Final answer
    x = 11,058.30

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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.