Home / 13,102.60-19,632.30-9,603.40

Finding the Fourth Proportional to 13,102.60, 19,632.30 and 9,603.40

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Solution

The fourth proportional to 13,102.60, 19,632.30 and 9,603.40 is: 14,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.60 : 19,632.30 = 9,603.40 : x
  2. Step 2: Convert to fraction form
    13,102.60/19,632.30 = 9,603.40/x
  3. Step 3: Cross multiply
    13,102.60x = 19,632.30 × 9,603.40
  4. Step 4: Simplify right side
    13,102.60x = 188,536,829.82
  5. Step 5: Solve for x
    x = 188,536,829.82/13,102.60
  6. Step 6: Final answer
    x = 14,389.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.