Home / 19,835.04-29,752.14-8,139.99

Finding the Fourth Proportional to 19,835.04, 29,752.14 and 8,139.99

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Solution

The fourth proportional to 19,835.04, 29,752.14 and 8,139.99 is: 12,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.04 : 29,752.14 = 8,139.99 : x
  2. Step 2: Convert to fraction form
    19,835.04/29,752.14 = 8,139.99/x
  3. Step 3: Cross multiply
    19,835.04x = 29,752.14 × 8,139.99
  4. Step 4: Simplify right side
    19,835.04x = 242,182,122.08
  5. Step 5: Solve for x
    x = 242,182,122.08/19,835.04
  6. Step 6: Final answer
    x = 12,209.81

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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.