Home / 22,271.10-30,734.62-12,710.80

Finding the Fourth Proportional to 22,271.10, 30,734.62 and 12,710.80

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Solution

The fourth proportional to 22,271.10, 30,734.62 and 12,710.80 is: 17,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.10 : 30,734.62 = 12,710.80 : x
  2. Step 2: Convert to fraction form
    22,271.10/30,734.62 = 12,710.80/x
  3. Step 3: Cross multiply
    22,271.10x = 30,734.62 × 12,710.80
  4. Step 4: Simplify right side
    22,271.10x = 390,661,587.04
  5. Step 5: Solve for x
    x = 390,661,587.04/22,271.10
  6. Step 6: Final answer
    x = 17,541.19

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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.