Home / 14,358.84-21,538.67-3,970.59

Finding the Fourth Proportional to 14,358.84, 21,538.67 and 3,970.59

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Solution

The fourth proportional to 14,358.84, 21,538.67 and 3,970.59 is: 5,956.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.84 : 21,538.67 = 3,970.59 : x
  2. Step 2: Convert to fraction form
    14,358.84/21,538.67 = 3,970.59/x
  3. Step 3: Cross multiply
    14,358.84x = 21,538.67 × 3,970.59
  4. Step 4: Simplify right side
    14,358.84x = 85,521,227.72
  5. Step 5: Solve for x
    x = 85,521,227.72/14,358.84
  6. Step 6: Final answer
    x = 5,956.00

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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.