Home / 22,670.29-34,011.20-13,318.21

Finding the Fourth Proportional to 22,670.29, 34,011.20 and 13,318.21

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Solution

The fourth proportional to 22,670.29, 34,011.20 and 13,318.21 is: 19,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,670.29 : 34,011.20 = 13,318.21 : x
  2. Step 2: Convert to fraction form
    22,670.29/34,011.20 = 13,318.21/x
  3. Step 3: Cross multiply
    22,670.29x = 34,011.20 × 13,318.21
  4. Step 4: Simplify right side
    22,670.29x = 452,968,152.33
  5. Step 5: Solve for x
    x = 452,968,152.33/22,670.29
  6. Step 6: Final answer
    x = 19,980.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.