Home / 12,320.46-17,002.26-7,015.30

Finding the Fourth Proportional to 12,320.46, 17,002.26 and 7,015.30

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Solution

The fourth proportional to 12,320.46, 17,002.26 and 7,015.30 is: 9,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.46 : 17,002.26 = 7,015.30 : x
  2. Step 2: Convert to fraction form
    12,320.46/17,002.26 = 7,015.30/x
  3. Step 3: Cross multiply
    12,320.46x = 17,002.26 × 7,015.30
  4. Step 4: Simplify right side
    12,320.46x = 119,275,954.58
  5. Step 5: Solve for x
    x = 119,275,954.58/12,320.46
  6. Step 6: Final answer
    x = 9,681.13

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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.