Home / 22,918.64-31,633.08-14,946.98

Finding the Fourth Proportional to 22,918.64, 31,633.08 and 14,946.98

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Solution

The fourth proportional to 22,918.64, 31,633.08 and 14,946.98 is: 20,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.64 : 31,633.08 = 14,946.98 : x
  2. Step 2: Convert to fraction form
    22,918.64/31,633.08 = 14,946.98/x
  3. Step 3: Cross multiply
    22,918.64x = 31,633.08 × 14,946.98
  4. Step 4: Simplify right side
    22,918.64x = 472,819,014.10
  5. Step 5: Solve for x
    x = 472,819,014.10/22,918.64
  6. Step 6: Final answer
    x = 20,630.33

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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.