Home / 14,359.06-21,539.27-3,970.81

Finding the Fourth Proportional to 14,359.06, 21,539.27 and 3,970.81

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Solution

The fourth proportional to 14,359.06, 21,539.27 and 3,970.81 is: 5,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.06 : 21,539.27 = 3,970.81 : x
  2. Step 2: Convert to fraction form
    14,359.06/21,539.27 = 3,970.81/x
  3. Step 3: Cross multiply
    14,359.06x = 21,539.27 × 3,970.81
  4. Step 4: Simplify right side
    14,359.06x = 85,528,348.71
  5. Step 5: Solve for x
    x = 85,528,348.71/14,359.06
  6. Step 6: Final answer
    x = 5,956.40

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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.