Home / 22,659.80-31,267.05-12,588.08

Finding the Fourth Proportional to 22,659.80, 31,267.05 and 12,588.08

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Solution

The fourth proportional to 22,659.80, 31,267.05 and 12,588.08 is: 17,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.80 : 31,267.05 = 12,588.08 : x
  2. Step 2: Convert to fraction form
    22,659.80/31,267.05 = 12,588.08/x
  3. Step 3: Cross multiply
    22,659.80x = 31,267.05 × 12,588.08
  4. Step 4: Simplify right side
    22,659.80x = 393,592,126.76
  5. Step 5: Solve for x
    x = 393,592,126.76/22,659.80
  6. Step 6: Final answer
    x = 17,369.62

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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.