Home / 22,913.40-31,619.62-12,841.93

Finding the Fourth Proportional to 22,913.40, 31,619.62 and 12,841.93

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Solution

The fourth proportional to 22,913.40, 31,619.62 and 12,841.93 is: 17,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,913.40 : 31,619.62 = 12,841.93 : x
  2. Step 2: Convert to fraction form
    22,913.40/31,619.62 = 12,841.93/x
  3. Step 3: Cross multiply
    22,913.40x = 31,619.62 × 12,841.93
  4. Step 4: Simplify right side
    22,913.40x = 406,056,946.67
  5. Step 5: Solve for x
    x = 406,056,946.67/22,913.40
  6. Step 6: Final answer
    x = 17,721.37

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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.