Home / 22,957.43-31,681.26-12,886.83

Finding the Fourth Proportional to 22,957.43, 31,681.26 and 12,886.83

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Solution

The fourth proportional to 22,957.43, 31,681.26 and 12,886.83 is: 17,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,957.43 : 31,681.26 = 12,886.83 : x
  2. Step 2: Convert to fraction form
    22,957.43/31,681.26 = 12,886.83/x
  3. Step 3: Cross multiply
    22,957.43x = 31,681.26 × 12,886.83
  4. Step 4: Simplify right side
    22,957.43x = 408,271,011.81
  5. Step 5: Solve for x
    x = 408,271,011.81/22,957.43
  6. Step 6: Final answer
    x = 17,783.83

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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.