Home / 22,271.19-30,723.10-13,316.32

Finding the Fourth Proportional to 22,271.19, 30,723.10 and 13,316.32

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Solution

The fourth proportional to 22,271.19, 30,723.10 and 13,316.32 is: 18,369.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.19 : 30,723.10 = 13,316.32 : x
  2. Step 2: Convert to fraction form
    22,271.19/30,723.10 = 13,316.32/x
  3. Step 3: Cross multiply
    22,271.19x = 30,723.10 × 13,316.32
  4. Step 4: Simplify right side
    22,271.19x = 409,118,630.99
  5. Step 5: Solve for x
    x = 409,118,630.99/22,271.19
  6. Step 6: Final answer
    x = 18,369.86

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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.