Home / 14,328.04-21,491.52-3,939.52

Finding the Fourth Proportional to 14,328.04, 21,491.52 and 3,939.52

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Solution

The fourth proportional to 14,328.04, 21,491.52 and 3,939.52 is: 5,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.04 : 21,491.52 = 3,939.52 : x
  2. Step 2: Convert to fraction form
    14,328.04/21,491.52 = 3,939.52/x
  3. Step 3: Cross multiply
    14,328.04x = 21,491.52 × 3,939.52
  4. Step 4: Simplify right side
    14,328.04x = 84,666,272.87
  5. Step 5: Solve for x
    x = 84,666,272.87/14,328.04
  6. Step 6: Final answer
    x = 5,909.13

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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.