Home / 22,803.06-31,465.08-12,730.32

Finding the Fourth Proportional to 22,803.06, 31,465.08 and 12,730.32

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Solution

The fourth proportional to 22,803.06, 31,465.08 and 12,730.32 is: 17,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,803.06 : 31,465.08 = 12,730.32 : x
  2. Step 2: Convert to fraction form
    22,803.06/31,465.08 = 12,730.32/x
  3. Step 3: Cross multiply
    22,803.06x = 31,465.08 × 12,730.32
  4. Step 4: Simplify right side
    22,803.06x = 400,560,537.23
  5. Step 5: Solve for x
    x = 400,560,537.23/22,803.06
  6. Step 6: Final answer
    x = 17,566.09

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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.