Home / 14,180.40-21,271.12-7,246.80

Finding the Fourth Proportional to 14,180.40, 21,271.12 and 7,246.80

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Solution

The fourth proportional to 14,180.40, 21,271.12 and 7,246.80 is: 10,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.40 : 21,271.12 = 7,246.80 : x
  2. Step 2: Convert to fraction form
    14,180.40/21,271.12 = 7,246.80/x
  3. Step 3: Cross multiply
    14,180.40x = 21,271.12 × 7,246.80
  4. Step 4: Simplify right side
    14,180.40x = 154,147,552.42
  5. Step 5: Solve for x
    x = 154,147,552.42/14,180.40
  6. Step 6: Final answer
    x = 10,870.47

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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.