Home / 21,937.71-30,260.08-14,384.53

Finding the Fourth Proportional to 21,937.71, 30,260.08 and 14,384.53

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Solution

The fourth proportional to 21,937.71, 30,260.08 and 14,384.53 is: 19,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.71 : 30,260.08 = 14,384.53 : x
  2. Step 2: Convert to fraction form
    21,937.71/30,260.08 = 14,384.53/x
  3. Step 3: Cross multiply
    21,937.71x = 30,260.08 × 14,384.53
  4. Step 4: Simplify right side
    21,937.71x = 435,277,028.56
  5. Step 5: Solve for x
    x = 435,277,028.56/21,937.71
  6. Step 6: Final answer
    x = 19,841.50

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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.