Home / 17,948.40-26,890.20-14,643.60

Finding the Fourth Proportional to 17,948.40, 26,890.20 and 14,643.60

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Solution

The fourth proportional to 17,948.40, 26,890.20 and 14,643.60 is: 21,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,948.40 : 26,890.20 = 14,643.60 : x
  2. Step 2: Convert to fraction form
    17,948.40/26,890.20 = 14,643.60/x
  3. Step 3: Cross multiply
    17,948.40x = 26,890.20 × 14,643.60
  4. Step 4: Simplify right side
    17,948.40x = 393,769,332.72
  5. Step 5: Solve for x
    x = 393,769,332.72/17,948.40
  6. Step 6: Final answer
    x = 21,938.97

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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.