Home / 19,838.04-29,756.28-6,690.12

Finding the Fourth Proportional to 19,838.04, 29,756.28 and 6,690.12

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Solution

The fourth proportional to 19,838.04, 29,756.28 and 6,690.12 is: 10,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.04 : 29,756.28 = 6,690.12 : x
  2. Step 2: Convert to fraction form
    19,838.04/29,756.28 = 6,690.12/x
  3. Step 3: Cross multiply
    19,838.04x = 29,756.28 × 6,690.12
  4. Step 4: Simplify right side
    19,838.04x = 199,073,083.95
  5. Step 5: Solve for x
    x = 199,073,083.95/19,838.04
  6. Step 6: Final answer
    x = 10,034.92

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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.