Home / 22,370.24-30,870.99-12,810.26

Finding the Fourth Proportional to 22,370.24, 30,870.99 and 12,810.26

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Solution

The fourth proportional to 22,370.24, 30,870.99 and 12,810.26 is: 17,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.24 : 30,870.99 = 12,810.26 : x
  2. Step 2: Convert to fraction form
    22,370.24/30,870.99 = 12,810.26/x
  3. Step 3: Cross multiply
    22,370.24x = 30,870.99 × 12,810.26
  4. Step 4: Simplify right side
    22,370.24x = 395,465,485.53
  5. Step 5: Solve for x
    x = 395,465,485.53/22,370.24
  6. Step 6: Final answer
    x = 17,678.19

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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.